Best Synonym Dictionary Definitions Terms Apps

250+ iOS apps curated and reviewed

4.0 avg rating
17 free apps
Updated November 2026

The best synonym dictionary definitions terms apps on iPhone average 4.0★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.

Compare top Synonym Dictionary Definitions Terms Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Synonym Dictionary Definitions TermsSynonym Dictionary Definitions TermsFree1.7★ (6)NoNoOct 2026
2Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoNov 2026
3Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (331K)YesYesNov 2026
4Dictionary.Dictionary.Free4.8★ (15K)YesYesNov 2026
5Oxford Dictionary & ThesaurusOxford Dictionary & ThesaurusFree4.6★ (29K)NoYesNov 2026
6Power ThesaurusPower ThesaurusFree4.8★ (3.1K)YesYesNov 2026
7English Dictionary - Offline & FREEEnglish Dictionary - Offline & FREEFree—NoNoMay 2026
8Synonyms DictionarySynonyms DictionaryFree—NoNoMay 2026

Top Picks for Synonym Dictionary Definitions Terms

Dictionary.com: English Words#2

Dictionary.com: English Words by Curiosity Media

Dictionary, Thesaurus, Vocab
Strong Contender
🔍 Reference
4.8😐(328K ratings)
FreeAds
Dictionary.com: English Words screenshot 1
Dictionary.com: English Words screenshot 2
Dictionary.com: English Words screenshot 3
Dictionary.com: English Words screenshot 4
Dictionary.com: English Words screenshot 5

Access over 2 million definitions and synonyms to enhance your English vocabulary. This app offers daily new words, example sentences, idioms, rhymes, and audio pronunciations. Improve your writing with grammar tips and explore word origins.

What We Love

  • 🚀 Robust dictionary and thesaurus
  • 🤓 Helpful resources like blogs and articles
  • 💡 Useful word games and puzzles
  • 👍 Easy to use and navigate
  • 🤩 Great for expanding vocabulary

Room to Improve

  • 🐛 Inconsistent search results and missing definitions
  • 💸 Aggressive ads even after paid upgrades
  • 🤯 Frequent crashes and performance issues
  • 🤔 Confusing layout changes and UI issues
  • 🤷‍♀️ Paid features not always working as expected
4.8😊(331K ratings)
FreeAdsIn-App Purchases
#49in Reference
Merriam-Webster Dictionary screenshot 1
Merriam-Webster Dictionary screenshot 2
Merriam-Webster Dictionary screenshot 3
Merriam-Webster Dictionary screenshot 4

Access America's most respected dictionary, updated with new words and meanings. This app offers offline access, voice search, daily vocabulary challenges, and a thesaurus. It's designed for English language reference, education, and vocabulary enhancement.

What We Love

  • 🚀 Easy to use
  • 👍 Comprehensive definitions
  • 👍 Helpful thesaurus
  • 🚀 Offline access
  • 👍 Word of the day feature
  • 👍 Fun word games

Room to Improve

  • 🐛 Ads can be intrusive
  • 🐛 Difficulty closing ads
  • 🐛 Repetitive game questions
  • 🐛 Missing words in dictionary
  • 🐛 Unreasonable level progression in games

More Synonym Dictionary Definitions Terms apps to explore

FAQ about Synonym Dictionary Definitions Terms

What are the best synonym dictionary definitions terms apps for iPhone?
Synonym Dictionary Definitions Terms tops our synonym dictionary definitions terms apps ranking as of November 2026, with a 1.7-star average from 6 App Store ratings, and it's free to download.
Yes — 17 of the top synonym dictionary definitions terms apps we rank are free to download, including Synonym Dictionary Definitions Terms and Dictionary.com: English Words.
Synonym Dictionary Definitions Terms has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 250+ synonym dictionary definitions terms apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.