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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
#92in Reference
Dictionary.com: English Words screenshot 1
Dictionary.com: English Words screenshot 2
Dictionary.com: English Words screenshot 3
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Dictionary.com: English Words screenshot 5
Dictionary.com: English Words screenshot 6

Access the ultimate English language learning app packed with quizzes, games, and over 2 million definitions and synonyms. Enhance your vocabulary with word puzzles and daily challenges, enjoy dark mode, offline access, voice search, and more. Improve your English skills effortlessly!

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
4.9😊(3.2K 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 a premier iOS app for English language reference, education, and vocabulary building, with new word games and quizzes for learning. Features universal access, offline capabilities, voice search, daily word learning, thesaurus, example sentences, and pronunciations by real speakers. Enjoy features like favorite word syncing and Apple Watch integration. Subscribe to remove ads and access extra resources. Manage your subscription easily. Terms of Use: [Link to Terms of Use].

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
#83in Reference
Oxford Dictionary & Thesaurus screenshot 1
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Access one of the highest authorities in language reference with the power of 15 major Oxford dictionaries at your fingertips. Explore advanced search and learning tools for a comprehensive linguistic experience.

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 comprehensive dictionary app provides a vast collection of over 50,000 English words, including synonyms and antonyms with definitions and usage examples, making it an essential resource for students, travelers, and language learners. With its user-friendly interface, powerful search system, and features like favorites and history, it helps users expand their vocabulary and improve their language skills.

🔧 Utilities
(4)
6
Synonyms English Dictionary
Synonyms English Dictionary
Synonyms English Dictionary
Listen sound and work offline
Free
🔍 Reference
(188)
7
AZ Synonyms
AZ Synonyms
AZ Synonyms
Best Synonyms Dictionary.
$2.99

Discover a powerful Synonyms Dictionary with over 9000 entries, offline functionality, clear definitions, easy word searching, recent and bookmark features, and English text-to-speech capability. Master language with the ultimate tool for finding the perfect word.

🔍 Reference
(963)
8
Dictionary.
Dictionary.
Dictionary.
by TheFreeDictionary.com
Free

Discover a comprehensive Dictionary and Thesaurus app with a Word of the Day feature, offline access, and resources from top sources. Access millions of definitions, synonyms, translations, and more for a versatile language tool.

🔍 Reference
(14K)
9
Synonyms Quiz
Synonyms Quiz
Synonyms Quiz
Test, Thesaurus & Dictionary
Free

Test your vocabulary with our app that challenges you to match words with their synonyms! Expand your language skills and knowledge in a fun and engaging way. Ready to start the quiz?

🎮 Games
(602)
10
Synonyms - English dictionary
Synonyms - English dictionary
Synonyms - English dictionary
Exploring words, synonyms app
Free

Elevate your writing with a professional touch by finding the perfect synonyms with just one click. Download this user-friendly app to quickly search and discover alternative words, making your reports, emails, and documents shine.

📚 Education
(4)
11
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
by TheFreeDictionary.com
$9.99

Access the premium ad-free Dictionary and Thesaurus Pro app by TheFreeDictionary.com for comprehensive offline dictionary and thesaurus content in multiple languages, including offline translations.

🔍 Reference
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12
Spanish Dictionary - Dict Box
Spanish Dictionary - Dict Box
Spanish Dictionary - Dict Box
English Spanish Translation
Free

A powerful English to Spanish translation tool offering detailed definitions, examples, synonyms, and language learning features. Enhance your language skills and easily translate words and phrases on-the-go.

🔍 Reference
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13
French Synonyms Dictionary
French Synonyms Dictionary
French Synonyms Dictionary
by Andrew Putranto
Free
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(0)
14
Synonyms Antonyms Dictionary
Synonyms Antonyms Dictionary
Synonyms Antonyms Dictionary
English Synonyms Antonyms Word
Free
📚 Education
(2)
15
Terminology
Terminology
Terminology
Dictionary•Thesaurus•Research
Free

Explore a comprehensive terminology dictionary with extensive definitions, synonyms, and related terms. Enhance your understanding of various concepts and expand your vocabulary effortlessly. Start discovering today!

🔍 Reference
(1K)
16
Kodansha Kanji Synonyms Guide
Kodansha Kanji Synonyms Guide
Kodansha Kanji Synonyms Guide
Bilingual kanji thesaurus
$14.99

This bilingual kanji thesaurus helps learners of Japanese understand the nuances of related kanji characters by grouping them by shared concept, allowing for easy comparison of their meanings and usage. With a comprehensive database of synonym groups and illustrative compounds, users can deepen their knowledge of written Japanese and improve their language skills.

🔍 Reference
(4)
17
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Premium Ad-free Dictionary
$9.99

Access a premium ad-free dictionary app for iPhone, iPad, and Apple Watch with offline capabilities, new word games, and features like integrated thesaurus, vocabulary-building quizzes, voice search, and word of the day. Perfect for English language reference and vocabulary building. Find out more by checking the Application License Agreement and App Privacy Policy.

🔍 Reference
(22K)
18
WordWeb Dictionary
WordWeb Dictionary
WordWeb Dictionary
Offline ad-free dictionary
Free

Discover a comprehensive offline dictionary and thesaurus with fast search, spelling suggestions, definitions, synonyms, and more. Enjoy ad-free browsing, usage examples, and unique search features without the need for an internet connection. Explore WordWeb Dictionary for a seamless word lookup experience.

🔍 Reference
(243)
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

Discover a comprehensive tool that helps you explore synonyms and meanings of words, making it easier to enhance your vocabulary and communicate efficiently. Download this free app to access a vast encyclopedia of words, search for difficult terms, and even share your findings on social media.

📚 Education
(6)

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