日本語辞書アプリ
Nihongo jisho apuri
Japanese dictionary apps
A good Japanese dictionary app is not just a word lookup tool. It is the little language goblin in your pocket that saves you when a menu has no pictures, a train sign suddenly becomes a puzzle, or a manga panel hits you with one extremely dramatic kanji.
And yes, the “best” app depends on what you actually need. A tourist trying to read 出口 deguchi, “exit,” does not need the same thing as a JLPT learner trying to untangle verb conjugations at 11:43 p.m. with cold tea and mild regret.
This guide breaks down the best Japanese dictionary apps for beginners, travelers, and serious learners, with practical Japanese phrases you can use while studying, searching, and surviving real-world Japanese.
Quick Picks For Different Learners
If you are just starting, choose one main dictionary app and one backup translation tool. More apps do not automatically mean more learning. Sometimes they just mean more icons judging you from your home screen.
| Need | Best App Type | What To Look For | Good For |
|---|---|---|---|
| Complete Beginner | Beginner-friendly dictionary app | Clear English meanings, example sentences, kana, simple search | Learning first words and phrases |
| Traveler | Offline dictionary with camera or handwriting support | Offline mode, OCR, quick search, phrase support | Menus, signs, stations, hotels |
| JLPT Learner | Full dictionary with kanji details and example sentences | JLPT tags, verb forms, kanji readings, sentence examples | Vocabulary review and test prep |
| Manga Or Novel Reader | Deep dictionary with readings and sentence mining support | Kanji lookup, proper nouns, example databases, copy-paste support | Reading real Japanese |
| Casual Listener | Dictionary plus audio or podcast support | Audio pronunciation, natural phrases, easy saving | Listening practice and daily review |
If you are new to Japanese, pair your dictionary app with a structured beginner list like 100 Japanese words and phrases to start learning. A dictionary is strongest when you use it to support real study, not when you fall into the “I looked up 39 words and remember none” swamp. We have all visited that swamp. It has mosquitoes.
Best Japanese Dictionary Apps By Use Case
App stores change, names change, and features move around like socks in a laundry machine. Instead of pretending one app rules them all forever, here are the most useful app types and what each one does best.
| App Or App Type | Why Learners Like It | Best For | Watch Out For |
|---|---|---|---|
| Takoboto | Clean dictionary search, example sentences, kanji details, saved lists | Beginners through intermediate learners | Interface can feel plain, which is fine; dictionaries are not nightclubs |
| Shirabe Jisho | Strong offline lookup, handwriting search, kanji information | iPhone and iPad learners who want fast lookup | Best experience is on Apple devices |
| imiwa? | Detailed entries, kanji lookup, sentence examples, multiple search options | Students who like lots of information | Can feel dense for absolute beginners |
| Japanese Dictionary Apps With OCR | Camera lookup for printed Japanese text | Travelers reading signs, menus, packaging | OCR can misread stylized fonts or messy menus |
| Google Translate Or Similar Tools | Fast rough translation, camera mode, speech input | Emergency travel support | Not always accurate for grammar, nuance, or polite speech |
| Browser-Based Jisho-Style Dictionaries | Easy search by English, Japanese, romaji, radicals, or kanji | Desktop study and quick checking | Needs internet unless you use an app with offline data |
A translation app tells you what it thinks a sentence means. A dictionary app helps you understand why. That “why” is where the learning hides, wearing tiny glasses.
What Beginners Should Look For First
Beginners need speed, clarity, and examples. A giant dictionary entry with historical notes, rare readings, and 14 meanings is impressive, but if you are trying to learn 食べる taberu, “to eat,” you do not need a dissertation with a side salad.
Start with these features:
- Rōmaji support for early searching, especially if you do not know kana yet.
- Kana readings so you can move away from rōmaji gradually.
- Example sentences because words behave differently in real life.
- Offline mode for travel, subway tunnels, and “why is there no signal here?” moments.
- Kanji lookup by handwriting, radicals, or camera scan.
- Saved word lists so your future self can actually review.
If you are not sure what level you are, take a quick Japanese placement test for JLPT level. If vocabulary is the main problem, try the Japanese vocabulary test and let the results gently roast you in a useful way.
Essential Dictionary Words In Japanese
These are the Japanese words you will see, hear, or need when talking about dictionaries, apps, search, meanings, and examples. Each one includes a real sentence because lonely vocabulary is basically a flashcard crying in the rain.
| Kanji | Rōmaji | Meaning | Example | Example Rōmaji | Translation |
|---|---|---|---|---|---|
| 辞書 | jisho | dictionary | 私は毎日辞書を使います。 | Watashi wa mainichi jisho o tsukaimasu. | I use a dictionary every day. |
| 日本語 | Nihongo | Japanese language | 日本語は面白いです。 | Nihongo wa omoshiroi desu. | Japanese is interesting. |
| 意味 | imi | meaning | この言葉の意味は何ですか。 | Kono kotoba no imi wa nan desu ka. | What is the meaning of this word? |
| 言葉 | kotoba | word; language | 新しい言葉を覚えました。 | Atarashii kotoba o oboemashita. | I learned a new word. |
| 単語 | tango | vocabulary word | この単語はよく使います。 | Kono tango wa yoku tsukaimasu. | This word is used often. |
| 例文 | reibun | example sentence | 例文を読んでください。 | Reibun o yonde kudasai. | Please read the example sentence. |
| 発音 | hatsuon | pronunciation | 発音をもう一度聞きたいです。 | Hatsuon o mō ichido kikitai desu. | I want to hear the pronunciation one more time. |
| 漢字 | kanji | Chinese character used in Japanese | この漢字は難しいです。 | Kono kanji wa muzukashii desu. | This kanji is difficult. |
| 読み方 | yomikata | reading; how to read | この漢字の読み方を教えてください。 | Kono kanji no yomikata o oshiete kudasai. | Please tell me how to read this kanji. |
| 書き方 | kakikata | way of writing | 名前の書き方を確認します。 | Namae no kakikata o kakunin shimasu. | I will check how to write the name. |
Useful Phrases For Looking Things Up
These phrases are useful when studying with a teacher, asking a friend, using a dictionary app, or quietly panicking in front of a ramen ticket machine.
| Key Phrase | Rōmaji | Meaning | Example | Example Rōmaji | Translation |
|---|---|---|---|---|---|
| これは何ですか。 | Kore wa nan desu ka. | What is this? | これは何ですか。メニューにあります。 | Kore wa nan desu ka. Menyū ni arimasu. | What is this? It is on the menu. |
| これはどう読みますか。 | Kore wa dō yomimasu ka. | How do you read this? | この漢字はどう読みますか。 | Kono kanji wa dō yomimasu ka. | How do you read this kanji? |
| 意味を教えてください。 | Imi o oshiete kudasai. | Please tell me the meaning. | この単語の意味を教えてください。 | Kono tango no imi o oshiete kudasai. | Please tell me the meaning of this word. |
| 辞書で調べます。 | Jisho de shirabemasu. | I will look it up in a dictionary. | 分からないので、辞書で調べます。 | Wakaranai node, jisho de shirabemasu. | I do not know, so I will look it up in a dictionary. |
| アプリで調べました。 | Apuri de shirabemashita. | I looked it up in an app. | この言葉をアプリで調べました。 | Kono kotoba o apuri de shirabemashita. | I looked up this word in an app. |
| 例文がありますか。 | Reibun ga arimasu ka. | Is there an example sentence? | この単語の例文がありますか。 | Kono tango no reibun ga arimasu ka. | Is there an example sentence for this word? |
| 発音を聞きたいです。 | Hatsuon o kikitai desu. | I want to hear the pronunciation. | 日本語の発音を聞きたいです。 | Nihongo no hatsuon o kikitai desu. | I want to hear the Japanese pronunciation. |
| もう一度お願いします。 | Mō ichido onegai shimasu. | One more time, please. | 発音をもう一度お願いします。 | Hatsuon o mō ichido onegai shimasu. | The pronunciation one more time, please. |
| ゆっくり言ってください。 | Yukkuri itte kudasai. | Please say it slowly. | すみません、ゆっくり言ってください。 | Sumimasen, yukkuri itte kudasai. | Excuse me, please say it slowly. |
| 英語で何と言いますか。 | Eigo de nan to iimasu ka. | How do you say it in English? | これは英語で何と言いますか。 | Kore wa Eigo de nan to iimasu ka. | How do you say this in English? |
| 日本語で何と言いますか。 | Nihongo de nan to iimasu ka. | How do you say it in Japanese? | 「ticket」は日本語で何と言いますか。 | “Ticket” wa Nihongo de nan to iimasu ka. | How do you say “ticket” in Japanese? |
| この漢字が分かりません。 | Kono kanji ga wakarimasen. | I do not understand this kanji. | この漢字が分かりません。辞書を使います。 | Kono kanji ga wakarimasen. Jisho o tsukaimasu. | I do not understand this kanji. I will use a dictionary. |
For Travelers: Choose Offline, Fast, And Forgiving
Travelers need speed more than perfection. If you are standing in a station while everyone seems to know exactly where to go, you want an app that can help with signs like 入口 iriguchi, “entrance,” and 出口 deguchi, “exit,” without demanding an internet connection and a blood oath.
Look for offline dictionary data, camera scanning, handwriting input, and a phrasebook-style search. A traveler’s dictionary app should answer “Can I eat this?” and “Where is platform three?” before it starts explaining classical grammar.
| Kanji | Rōmaji | Meaning | Example | Example Rōmaji | Translation |
|---|---|---|---|---|---|
| 入口 | iriguchi | entrance | 入口はあちらです。 | Iriguchi wa achira desu. | The entrance is over there. |
| 出口 | deguchi | exit | 出口はどこですか。 | Deguchi wa doko desu ka. | Where is the exit? |
| 駅 | eki | station | 駅まで歩きます。 | Eki made arukimasu. | I will walk to the station. |
| 切符 | kippu | ticket | 切符を買いました。 | Kippu o kaimashita. | I bought a ticket. |
| 電車 | densha | train | 電車に乗ります。 | Densha ni norimasu. | I will ride the train. |
| 食券 | shokken | meal ticket | 食券を先に買います。 | Shokken o saki ni kaimasu. | You buy the meal ticket first. |
| 会計 | kaikei | bill; payment | 会計をお願いします。 | Kaikei o onegai shimasu. | The bill, please. |
| 予約 | yoyaku | reservation | 予約があります。 | Yoyaku ga arimasu. | I have a reservation. |
For travel listening practice before you go, try adding easy audio to your routine with Japanese podcasts. Dictionary apps are great for words; podcasts help your ears stop acting personally offended by natural speed Japanese.
For Serious Learners: Search Deeper Than The First Meaning
Serious learners need more than “word equals English word.” Japanese does not always map neatly to English. A good app should show readings, parts of speech, common compounds, verb forms, example sentences, and sometimes pitch accent. That sounds like a lot because it is. Learning a language is not a microwave burrito.
When you search a word, do this mini-routine:
- Check the main meaning first.
- Read at least two example sentences.
- Notice whether the word is casual, formal, written, or spoken.
- Save the word only if you can imagine using it.
- Review saved words in short sessions, not heroic midnight marathons.
| Kanji | Rōmaji | Meaning | Example | Example Rōmaji | Translation |
|---|---|---|---|---|---|
| 調べる | shiraberu | to look up; to investigate | 知らない単語を調べます。 | Shiranai tango o shirabemasu. | I look up words I do not know. |
| 覚える | oboeru | to memorize; to remember | 毎日五つの単語を覚えます。 | Mainichi itsutsu no tango o oboemasu. | I memorize five words every day. |
| 忘れる | wasureru | to forget | 昨日の単語を忘れました。 | Kinō no tango o wasuremashita. | I forgot yesterday’s word. |
| 復習 | fukushū | review | 夜に単語を復習します。 | Yoru ni tango o fukushū shimasu. | I review vocabulary at night. |
| 練習 | renshū | practice | 発音の練習をします。 | Hatsuon no renshū o shimasu. | I practice pronunciation. |
| 文法 | bunpō | grammar | 文法も辞書で確認します。 | Bunpō mo jisho de kakunin shimasu. | I also check grammar in the dictionary. |
| 品詞 | hinshi | part of speech | 品詞を見ると使い方が分かります。 | Hinshi o miru to tsukaikata ga wakarimasu. | When you look at the part of speech, you understand how to use it. |
| 使い方 | tsukaikata | how to use | この表現の使い方を学びます。 | Kono hyōgen no tsukaikata o manabimasu. | I will learn how to use this expression. |
Features That Actually Matter
Some apps advertise many shiny features. Shiny is nice. Useful is better. Here is what matters most when choosing a Japanese dictionary app.
| Feature | Why It Matters | Best For | Beginner Rating |
|---|---|---|---|
| Offline Search | You can look up words without Wi-Fi or data. | Travelers and commuters | Essential |
| Example Sentences | You see how the word works in real Japanese. | Everyone | Essential |
| Handwriting Input | You can draw unknown kanji when you cannot type it. | Travelers and kanji learners | Very useful |
| Camera/OCR Search | You can scan signs, menus, and printed text. | Travelers | Useful, but not perfect |
| Verb Conjugation Support | You can find dictionary forms from changed forms. | JLPT learners and readers | Very useful after basics |
| Audio Pronunciation | You can hear how a word sounds. | Beginners and listeners | Helpful |
| Word Lists | You can save and review vocabulary. | Serious learners | Helpful if you actually review |
| JLPT Tags | You can sort vocabulary by test level. | Test takers | Useful for planning |
Dictionary App Mistakes Beginners Make
A dictionary app is powerful, but it can also help you confidently misunderstand things faster. Lovely. Efficient chaos.
| Mistake | Why It Happens | Better Habit |
|---|---|---|
| Choosing the first meaning every time | Many Japanese words have several meanings depending on context. | Read example sentences before deciding. |
| Ignoring kana readings | Rōmaji feels easier at first. | Use rōmaji as training wheels, then shift to hiragana and katakana. |
| Saving too many words | It feels productive. | Save fewer words and review them more often. |
| Trusting machine translation completely | The translation sounds smooth in English. | Check the dictionary entry and sentence structure. |
| Learning isolated words only | Single words are easy to collect. | Learn one example sentence with each useful word. |
| Skipping pronunciation | Reading feels enough. | Listen and repeat, even if your first try sounds like a confused toaster. |
A Simple Beginner Study Routine With A Dictionary App
Here is a practical routine that does not require three notebooks, a color-coded spreadsheet, or becoming a monk of vocabulary. Ten to fifteen minutes is enough if you do it regularly.
- Pick five useful words from a lesson, phrase list, podcast, sign, or story.
- Look up each word in your dictionary app.
- Read the meaning, pronunciation, and one example sentence.
- Say the example sentence out loud once or twice.
- Save only the words you want to meet again.
- Review yesterday’s words before adding new ones.
If you want a broader learning path, start from the main Learn Japanese hub. A dictionary app is one tool. A good path keeps that tool from turning into a shiny procrastination machine.
More Helpful Study Phrases
Use these when describing your study habits or asking for help. They are simple, flexible, and much more useful than memorizing “the cat studies economics,” unless your cat has ambitious plans.
| Key Phrase | Rōmaji | Meaning | Example | Example Rōmaji | Translation |
|---|---|---|---|---|---|
| 毎日勉強します。 | Mainichi benkyō shimasu. | I study every day. | 私は日本語を毎日勉強します。 | Watashi wa Nihongo o mainichi benkyō shimasu. | I study Japanese every day. |
| まだ分かりません。 | Mada wakarimasen. | I still do not understand. | この文法はまだ分かりません。 | Kono bunpō wa mada wakarimasen. | I still do not understand this grammar. |
| 少し分かります。 | Sukoshi wakarimasu. | I understand a little. | 日本語が少し分かります。 | Nihongo ga sukoshi wakarimasu. | I understand a little Japanese. |
| 書いてください。 | Kaite kudasai. | Please write it. | 漢字を書いてください。 | Kanji o kaite kudasai. | Please write the kanji. |
| もう一度見ます。 | Mō ichido mimasu. | I will look again. | 例文をもう一度見ます。 | Reibun o mō ichido mimasu. | I will look at the example sentence again. |
| 発音が難しいです。 | Hatsuon ga muzukashii desu. | The pronunciation is difficult. | この単語の発音が難しいです。 | Kono tango no hatsuon ga muzukashii desu. | The pronunciation of this word is difficult. |
| 漢字を覚えたいです。 | Kanji o oboetai desu. | I want to memorize kanji. | 旅行の前に漢字を覚えたいです。 | Ryokō no mae ni kanji o oboetai desu. | I want to memorize kanji before the trip. |
| 使い方を知りたいです。 | Tsukaikata o shiritai desu. | I want to know how to use it. | この表現の使い方を知りたいです。 | Kono hyōgen no tsukaikata o shiritai desu. | I want to know how to use this expression. |
So, Which Japanese Dictionary App Should You Choose?
If you are a complete beginner, choose the app that makes you look up words quickly and read examples without feeling buried. Takoboto-style and Shirabe Jisho-style apps are strong places to start, depending on your device. If you travel, prioritize offline search, camera lookup, and handwriting. If you are studying seriously, choose depth: kanji readings, example sentences, conjugations, and saved lists.
One honest rule: the best Japanese dictionary app is the one you will actually open. Not the prettiest one. Not the one with the longest feature list. The one that helps you move from “I recognize this squiggle” to “Ah, I know what this means.” That is the win.
If you want to keep building after choosing your app, try this next Japanese lesson guide: continue learning Japanese with structured practice.
Yak Takeaway
A Japanese dictionary app should make Japanese feel more searchable, not more scary. Beginners need clear meanings and examples. Travelers need offline speed. Serious learners need depth and review tools. Pick one main app, learn how to search well, and build the habit of reading example sentences.
辞書は友達です。
Jisho wa tomodachi desu.
The dictionary is your friend.
例文を読めば、言葉が生きます。
Reibun o yomeba, kotoba ga ikimasu.
When you read example sentences, words come alive.





