Best dictionary apps for Android
Dictionary apps give definitions, spellings, pronunciations and example sentences on your phone, and many cover a second language as well as your own.
8 apps ranked · How we rank
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A deep, multi-language reference app that rewards frequent users, with offline access and pronunciation reserved for subscribers.
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A well-established Spanish reference app whose dictionary and conjugation tables make it worth installing alongside a course.
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A free translation and dictionary app that turns your own lookups into spaced-repetition flashcards, best for learners who search words regularly.
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A free, ad-supported dictionary and thesaurus with enough extra tools to earn a place on the phones of students, writers and English learners.
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A dependable free two-way offline dictionary with useful practice modules, held back only by ads and a clipboard service that shows a notification.
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A dependable offline dictionary with a strong thesaurus and quizzes, held back only by ads and the connection needed for audio.
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A free, ad-supported offline translator that handles quick English-Spanish lookups and spoken exchanges well for students and travelers.
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A paid, offline rhyming dictionary with a genuinely useful meaning-plus-rhyme search, best for writers who draft away from a computer.
About dictionary apps
Students, readers, writers and language learners use them to check an unfamiliar term or a spelling mid-sentence, or to build vocabulary, without carrying a printed book. Single-language dictionaries tend to go deeper on usage notes and word history, while bilingual ones cover both languages with thinner entries. Offline editions work without a connection but take up storage; online ones offer fresher content but need data. For full sentences or documents, a translator app does a different job.
What to look for
- Check how many entries the dictionary holds and whether it covers the words you are likely to look up, since a small word list leaves gaps.
- For a bilingual dictionary, confirm that both directions are included, so you can look up a word in either language.
- See whether example sentences and usage notes are provided, because they show how a word fits into real speech and writing.
- Consider whether the app works offline, as that decides whether it is usable on a plane or in areas with weak signal.
- Look at how the app is paid for, whether by ads, a subscription, or a single payment, and what each option unlocks.
How we rank
Apps are ranked by their Google Play rating (weighted by how many people rated them), their number of installs, how recently they were updated and how closely they fit the category. Only apps we've reviewed are included.