Luminous E-J Dictionary
An in-app-purchase edition of Kenkyusha's Luminous English–Japanese and Japanese–English dictionaries, each with about 100,000 entries, plus audio.
ロングマン英和辞書
JA ロングマン英和辞書
At a glance
Longman’s corpus-based English–Japanese dictionary, with native-speaker audio and video content.
| Category | English–Japanese Dictionaries |
|---|---|
| Languages | English–Japanese |
| Platforms | iPad/iPhone |
| Dictionary source | Daily, Longman |
| Developer | Enfour, Inc. |
The Longman English–Japanese Dictionary (ロングマン英和辞典) connects natural English with natural Japanese. According to Longman, it is the first and only English–Japanese dictionary compiled entirely from English and Japanese corpora: every example and collocation comes from the 330-million-word Longman Corpus Network, and the Japanese translations are based on a purpose-built 50-million-word corpus of contemporary Japanese.
Meanings are listed in order of frequency so the sense you need usually appears first, and the 3,000 most common spoken and written words are marked and explained in extra detail. Error notes highlight grammar and usage points that Japanese learners repeatedly get wrong.
The app adds native audio, videos, flashcards, a Japanese-to-English reverse index, iCloud bookmarks, and an “AI Teacher” for deeper explanations. It also links seamlessly with the Longman Dictionary of Contemporary English (sold separately).
Key features
- 102,000 headwords and phrases, 83,000 examples, 63,000 collocations
- About 53,000 audio files and 6,500 linked example recordings
- Incremental and wildcard search
- Roughly 110,000-entry Japanese–English reverse index
- AI Teacher explanations and daily word lists for TOEIC®, TOEFL®, and Eiken
- Flashcards, iCloud bookmarks with notes, Split View, and Dark Mode
| Category | English–Japanese Dictionaries |
|---|---|
| Languages | English–Japanese |
| Platforms | iPad/iPhone |
| Dictionary source | Daily, Longman |
| Version | 18.0 |
| Updated | 2026-10-12 |
| Rating | 4.5 / 5 (781) |
| Developer | Enfour, Inc. |
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