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Best Synonym Dictionary Apps

241+ iOS apps curated and reviewed

3.8 avg rating
17 free apps
Updated August 2026

Out of 241+ synonym dictionary apps on iOS, 17 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Synonym Dictionary Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoAug 2026
2Dictionary.Dictionary.Free4.8★ (15K)YesYesAug 2026
3Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (324K)YesYesAug 2026
4Synonyms Antonyms DictionarySynonyms Antonyms DictionaryFree2.0★ (2)NoNoAug 2026
5Synonyms - English dictionarySynonyms - English dictionaryFree2.5★ (4)NoYesAug 2026
6Synonym Dictionary Definitions TermsSynonym Dictionary Definitions TermsFree1.7★ (6)NoNoMay 2026
7Synonyms DictionarySynonyms DictionaryFree—NoNoMay 2026
8French Synonyms DictionaryFrench Synonyms DictionaryFree—NoNoMay 2026

Top Picks for Synonym Dictionary

Dictionary.com: English Words#1

Dictionary.com: English Words by Curiosity Media

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

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
Dictionary.#2

Dictionary. by Farlex, Inc.

by TheFreeDictionary.com
Strong Contender
🔍 Reference
4.8😊(15K ratings)
FreeAdsIn-App Purchases
Dictionary. screenshot 1
Dictionary. screenshot 2
Dictionary. screenshot 3
Dictionary. screenshot 4
Dictionary. screenshot 5

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.

What We Love

  • 🚀 Comprehensive and detailed definitions
  • 👍 Helpful thesaurus and translation features
  • 🎮 Fun word games and activities
  • 📚 Vast amount of information beyond just definitions

Room to Improve

  • 🔍 Cluttered interface with too many ads
  • 🐛 Occasional crashes and bugs
  • 🔍 Difficulty finding specific settings or features
Merriam-Webster Dictionary#3

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Worth Considering
🔍 Reference
4.8😊(324K ratings)
FreeAdsIn-App Purchases
#34in 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

More Synonym Dictionary apps to explore

4
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
5
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
6
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
7
Synonyms Dictionary
Synonyms Dictionary
Synonyms Dictionary
Offline Synonyms Dictionary
Free
📚 Books
(0)
8
French Synonyms Dictionary
French Synonyms Dictionary
French Synonyms Dictionary
by Andrew Putranto
Free
📚 Books
(0)
9
A-Z Synonyms Dictionary
A-Z Synonyms Dictionary
A-Z Synonyms Dictionary
Best Synonyms Dictionary!
$2.99

Access a comprehensive offline dictionary with over 9,000 entries. Find synonyms, definitions with examples, and easily search for words. Includes text-to-speech and direct translation features.

Over 9,000 entriesOffline dictionary accessClear definitions with examples
🔍 Reference
(19)
paid
10
Russian Synonyms Dictionary
Russian Synonyms Dictionary
Russian Synonyms Dictionary
Russian Synonyms Reference
Free
📚 Education
(0)
11
Latin synonym dictionary
Latin synonym dictionary
Latin synonym dictionary
dictionary of Latin synonyms
$1.99
🔍 Reference
(0)
12
German Synonym Dictionary
German Synonym Dictionary
German Synonym Dictionary
by Bui Hoai Trang
$0.99

Access a comprehensive German synonym dictionary offline. Features include over 53,000 entries, user-defined lists, note-taking, and iCloud sync. Practice vocabulary with flashcards and quizzes.

Offline access53,000+ entries1 million+ synonyms
🔍 Reference
(0)
paid
13
English Dictionary - Offline
English Dictionary - Offline
English Dictionary - Offline
Offline English Dictionary
Free

A comprehensive offline English dictionary offering in-depth word definitions, usage examples, and rich language data. Explore synonyms, antonyms, pronunciations, and more without an internet connection.

Offline accessDetailed word definitionsUsage examples
🔍 Reference
(7)
free with in-app purchases
14
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
(199)
free
15
MyWebster28
MyWebster28
MyWebster28
Websters 1828 Dictionary
Free
🔍 Reference
(0)
16
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Etymology & Offline Vocabulary
Free

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.

15 Oxford DictionariesThesaurus integrationAudio pronunciations
🔍 Reference
(29K)
free with in-app purchases
17
AI English Dictionary
AI English Dictionary
AI English Dictionary
AI Dictionary & Translator app
Free
📚 Education
(0)
18
Thesaurus: Synonym Keyboard
Thesaurus: Synonym Keyboard
Thesaurus: Synonym Keyboard
Find Antonyms & Better Words
Free
📊 Productivity
(0)
19
Thesaurus dictionary- Wordloop
Thesaurus dictionary- Wordloop
Thesaurus dictionary- Wordloop
Synonyms power up vocabulary
Free

Enhance your writing by accessing a thesaurus directly from your keyboard. Select any word in any app to instantly see synonyms and related terms, helping you expand your vocabulary and refine your text. This ad-free tool offers a simple and effective way to improve your communication.

Keyboard thesaurus integrationInstant word suggestionsSynonym lookup in any app
🔍 Reference
(291)
free with in-app purchases
20
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
(6)
free

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FAQ about Synonym Dictionary

What are the best synonym dictionary apps for iPhone?
Dictionary.com: English Words tops our synonym dictionary apps ranking as of August 2026, with a 4.8-star average from 328K App Store ratings, and it's free to download.
Yes — 17 of the top synonym dictionary apps we rank are free to download, including Dictionary.com: English Words and Dictionary..
Dictionary.com: English Words shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 241+ synonym dictionary apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app serves as a comprehensive English dictionary and thesaurus, offering over 2 million trusted definitions and synonyms. It aims to help users improve their English vocabulary, understanding, and writing skills through various features.
Key features include access to millions of definitions and synonyms, a 'Word of the Day' to expand vocabulary, example sentences to show word usage, audio pronunciations, grammar tips, and a search history to track learned words.

Related searches

synonym dictionary definitions termsgerman synonym dictionarylatin synonym dictionary