Best Synonyms Dictionary Apps & Games

193+ iOS apps & games curated and reviewed

4.2 avg rating
16 free apps & games
Updated May 2026

The best synonyms dictionary apps on iPhone average 4.2★ across 193+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Synonyms Dictionary

Dictionary.com: English Words#1

Dictionary.com: English Words by Curiosity Media, Inc.

Dictionary, Thesaurus, Vocab
Editor's Choice
🔍 Reference
4.8😐(328K ratings)
FreeAdsIn-App Purchases
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
Dictionary.com: English Words screenshot 6

Access over 2 million trusted definitions and synonyms for English words. Enhance your vocabulary with daily new words, example sentences, and audio pronunciations. This app provides grammar tips and editorial content to deepen your understanding of the English language.

What We Love

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

Room to Improve

  • 🐛 Inconsistent search results and missing definitions
  • 💸 Aggressive ads even after paid upgrades
  • 🤯 Frequent crashes and performance issues
Merriam-Webster Dictionary#2

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Strong Contender
🔍 Reference
4.8😊(320K ratings)
FreeAdsIn-App Purchases
#38in 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

Room to Improve

  • 🐛 Ads can be intrusive
  • 🐛 Difficulty closing ads
  • 🐛 Repetitive game questions
Oxford Dictionary & Thesaurus#3

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Thesaurus & Offline Vocabulary
Worth Considering
🔍 Reference
4.6😐(28K ratings)
FreeAdsIn-App Purchases
#71in Reference
Oxford Dictionary & Thesaurus screenshot 1
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Access a vast collection of dictionaries and thesauruses with definitions, pronunciations, and etymology. Features include offline access, advanced search options, and personalized word lists. Ideal for students, professionals, and word enthusiasts.

What We Love

  • 👍 Reliable and simple to use
  • 👍 Comprehensive and best for all English, especially rare and aged language
  • 👍 Very useful for learning new words
  • 👍 Excellent reference app

Room to Improve

  • 🐛 Glitchy, way too many ads
  • 🔒 Annoying popup ads makes it unusable
  • 🔒 Ads stuck in, despite payment

More Synonyms Dictionary apps to explore

4
Synonyms Dictionary
Synonyms Dictionary
Synonyms Dictionary
Offline Synonyms Dictionary
Free
📚 Books
(0)
5
Synonyms & Antonyms Dictionary
Synonyms & Antonyms Dictionary
Synonyms & Antonyms Dictionary
Include 50000+ English words
Free

This app serves as a pocket resource for English synonyms and antonyms, offering over 11,200 entries with definitions and usage examples. It features a powerful search system, a favorites list, and a history of viewed words, all presented in a modern, user-friendly design.

11,200+ synonyms and antonymsDefinitions and usage examplesPowerful search system
🔧 Utilities
(4)
free
6
Synonyms English Dictionary
Synonyms English Dictionary
Synonyms English Dictionary
Listen sound and work offline
Free

This free English dictionary offers over 9,100 synonyms with audio playback. It works offline and allows customization of voice accents, speed, and pitch. Search for words by starting, ending, or containing specific letters.

Offline functionalityAudio playback for wordsCustomizable voice accents
🔍 Reference
(188)
free
7
AZ Synonyms
AZ Synonyms
AZ Synonyms
Best Synonyms Dictionary.
$2.99

Access a comprehensive dictionary of synonyms with over 9,000 entries. This app provides clear definitions, example sentences, and offline access. Easily search for words and save your favorites for quick reference.

Over 9000 entriesOffline dictionary accessClear definitions with examples
🔍 Reference
(963)
free
8
Dictionary.
Dictionary.
Dictionary.
by TheFreeDictionary.com
Free

Access a comprehensive dictionary, thesaurus, and translation tool with millions of definitions and synonyms. Explore specialty dictionaries, learn new words daily, and play word games. This app offers offline access and integrates seamlessly with other applications.

Offline dictionary and thesaurusMillions of definitions and synonymsWord of the Day and Idiom of the Day
🔍 Reference
(14K)
free with in-app purchases
9
Synonyms Quiz
Synonyms Quiz
Synonyms Quiz
Test, Thesaurus & Dictionary
Free

Challenge your vocabulary with a fun synonym game. Select the correct synonym from multiple choices and learn definitions for over 3800 words. Compete with others and track your progress.

Synonym matching gameOver 3800 wordsWord definitions
🎮 Games
(602)
ad-supported
10
Synonyms - English dictionary
Synonyms - English dictionary
Synonyms - English dictionary
Exploring words, synonyms app
Free

Enhance your writing by discovering the perfect words. This application provides quick access to synonyms to make your reports, emails, and documents more professional. Features include a user-friendly interface and fast search capabilities.

Find best possible synonymsUser friendly interfaceFast reaction time
📚 Education
(4)
free
11
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
by TheFreeDictionary.com
$9.99

Access a comprehensive offline dictionary and thesaurus with extensive content in multiple languages. Explore definitions, synonyms, and specialized dictionaries for various fields. Enjoy an ad-free experience with features like word games and instant lookups.

Ad-free experienceOffline English dictionary and thesaurusOffline dictionaries in 13 languages
🔍 Reference
(2.5K)
paid
12
Spanish Dictionary - Dict Box
Spanish Dictionary - Dict Box
Spanish Dictionary - Dict Box
English Spanish Translation
Free

This app provides a comprehensive English to Spanish and Spanish to English dictionary and translator. It offers offline functionality, word correction, and the ability to translate text directly from other applications and web browsers. Users can also access image search and word reminders.

Offline dictionary and translatorTranslate in other apps and browsersImage search and picture dictionary
🔍 Reference
(8.3K)
free with in-app purchases
13
French Synonyms Dictionary
French Synonyms Dictionary
French Synonyms Dictionary
by Andrew Putranto
Free
📚 Books
(0)
14
Synonyms Antonyms Dictionary
Synonyms Antonyms Dictionary
Synonyms Antonyms Dictionary
English Synonyms Antonyms Word
Free

Discover English synonyms and antonyms with definitions and audio pronunciations. This app offers offline access to a curated list of words, allowing you to search, bookmark favorites, and maintain a history of your learning.

Offline access3000 curated wordsWord definitions
📚 Education
(2)
free
15
Terminology
Terminology
Terminology
Dictionary•Thesaurus•Research
Free

Explore the English language with this comprehensive tool. It offers dictionary and thesaurus functions, along with research capabilities to dive deeper into words and phrases. Extend its functionality with custom resources for web and app searches.

Offline U.S. English dictionarySynonyms, antonyms, and word relationsCustomizable resources for web and app searches
🔍 Reference
(1K)
freemium
16
Kodansha Kanji Synonyms Guide
Kodansha Kanji Synonyms Guide
Kodansha Kanji Synonyms Guide
Bilingual kanji thesaurus
$14.99

This reference tool groups Japanese kanji characters by shared meaning, highlighting subtle differences and similarities. It helps intermediate and advanced learners distinguish between similar characters for a deeper understanding of written Japanese. Educators and translators will also find it invaluable.

1,245 synonym groups by conceptCovers 5,630 kanji charactersNearly 21,000 illustrative compounds
🔍 Reference
(4)
paid
17
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Premium Ad-free Dictionary
$9.99

Access America's leading dictionary with over 15,000 extra entries for people and places. Enjoy offline access, voice search, and daily vocabulary builders. This app offers expert word guidance with a thesaurus and example sentences.

Ad-free experience15,000+ premium entriesOffline dictionary access
🔍 Reference
(22K)
freemium
18
WordWeb Dictionary
WordWeb Dictionary
WordWeb Dictionary
Offline ad-free dictionary
Free

This app provides a comprehensive offline English dictionary and thesaurus with fast searching, spelling suggestions, definitions, and usage examples. It offers extensive word data and advanced search filters without requiring an internet connection.

Offline dictionary and thesaurusFast searchingSpelling suggestions
🔍 Reference
(85)
free
19
Russian Synonyms Dictionary
Russian Synonyms Dictionary
Russian Synonyms Dictionary
Russian Synonyms Reference
Free
📚 Education
(0)
20
Synonym Dictionary Definitions Terms
Synonym Dictionary Definitions Terms
Synonym Dictionary Definitions Terms
by Santosh Mishra
Free

Instantly decode any word with a vast encyclopedia of synonyms and meanings. This free tool helps you understand and efficiently use English vocabulary, with features like search, bookmarking, and audio pronunciation.

Huge encyclopedia of words and synonymsSearch functionality for difficult termsBookmark terms and meanings
📚 Education
(6)
free

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