English
English defined in English: Princeton WordNet's synonym sets and definitions, enriched with the English Wiktionary. Includes an inflection index.
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en-en.zip 91.9 MB · StarDict · CC-BY-SA-4.0
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Unzip and copy the folder onto your device so that you end up with:
koreader/data/dict/en-en/en-en.ifo
Restart KOReader. This dictionary includes an inflection index, so looking a word up exactly as it appears in a book works.
Coverage
How many of the most common words in the source language this dictionary can actually resolve, counting words reached through the inflection index.
| Frequency band | Found | As headword | Via inflection | Coverage |
|---|---|---|---|---|
| top 1,000 | 992 | 950 | 42 | 99.2% |
| top 5,000 | 4,969 | 4,506 | 463 | 99.38% |
| top 10,000 | 9,894 | 8,712 | 1,182 | 98.94% |
| top 50,000 | 45,391 | 37,038 | 8,353 | 90.78% |
Measured against OpenSubtitles 2018 English top 50k (hermitdave/FrequencyWords).
What is in an entry
| Entries with a synonym | 218,275 (26.78%) |
| Entries with a definition and no synonym | 596,791 |
| Entries with a usage example | 237,392 (29.13%) |
| Entries with inflected forms | 726,033 (89.08%) |
| Entries with pronunciation | 90,566 |
| Senses | 1,260,319 |
| Mean definition length | 57.6 characters |
| Mean synonyms per entry | 0.78 |
This dictionary defines a language in itself, so nothing in it is translated. An entry counted as “definition only” has a definition but no synonym listed, which is the normal case for most words.
Sources and licence
| Source | Licence | Credit |
|---|---|---|
pwn30 | WordNet-3.0 | Princeton University WordNet 3.0 |
wikt-en-def | CC-BY-SA-4.0 | English Wiktionary via kaikki.org (wiktextract) |
Bundled under CC-BY-SA-4.0, the least restrictive licence that covers every source above. Each source’s own terms are reproduced in the ATTRIBUTION file inside the download.