Best Thesaurus Dictionary Apps

246+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated August 2026

Looking for free thesaurus dictionary apps? 19 of our 246+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Thesaurus Dictionary Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (324K)YesYesAug 2026
2Thesaurus dictionary- WordloopThesaurus dictionary- WordloopFree4.5★ (282)NoYesAug 2026
3Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoAug 2026
4Power ThesaurusPower ThesaurusFree4.8★ (3K)YesYesAug 2026
5Oxford Dictionary & ThesaurusOxford Dictionary & ThesaurusFree4.6★ (29K)NoYesAug 2026
6Dictionary.Dictionary.Free4.8★ (15K)YesYesAug 2026
7Advanced Dictionary&ThesaurusAdvanced Dictionary&ThesaurusFree4.7★ (4.6K)NoYesAug 2026
8WordWeb DictionaryWordWeb DictionaryFree4.6★ (268)NoNoAug 2026

Top Picks for Thesaurus Dictionary

Merriam-Webster Dictionary#1

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Editor's Choice
🔍 Reference
4.8😊(324K ratings)
FreeAdsIn-App Purchases
#28in 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
Thesaurus dictionary- Wordloop#2

Thesaurus dictionary- Wordloop by LEAP STUDIO

Synonyms power up vocabulary
Strong Contender
🔍 Reference
4.5(282 ratings)
FreeIn-App Purchases
Thesaurus dictionary- Wordloop screenshot 1
Thesaurus dictionary- Wordloop screenshot 2
Thesaurus dictionary- Wordloop screenshot 3
Thesaurus dictionary- Wordloop screenshot 4
Thesaurus dictionary- Wordloop screenshot 5

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.

Dictionary.com: English Words#3

Dictionary.com: English Words by Curiosity Media

Dictionary, Thesaurus, Vocab
Worth Considering
🔍 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

More Thesaurus Dictionary apps to explore

4
Power Thesaurus
Power Thesaurus
Power Thesaurus
Comprehensive. Fast. Reliable.
Free

Find accurate synonyms, antonyms, definitions, and related words with this comprehensive and fast thesaurus. Designed for writers, students, and professionals, it offers intuitive navigation and smart filters to help you express ideas clearly and confidently.

Ad-free PRO MembershipIntuitive navigationSmart filters
🔍 Reference
(3K)
freemium
5
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
6
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
(15K)
free with in-app purchases
7
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
English dictionary with Audio
Free

This comprehensive English dictionary and thesaurus offers precise definitions, synonyms, antonyms, and related words. It features intelligent search tools, offline audio, and customizable themes to enhance your language learning experience.

140,000+ definitionsSynonyms, antonyms, and related wordsOffline audio pronunciation
🔍 Reference
(4.6K)
free with in-app purchases
8
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
(268)
free
9
Thesaurus: Synonym Keyboard
Thesaurus: Synonym Keyboard
Thesaurus: Synonym Keyboard
Find Antonyms & Better Words
Free
📊 Productivity
(0)
10
Thesaurus Free
Thesaurus Free
Thesaurus Free
by rakudoor
Free

An offline English thesaurus and dictionary offering over 270,000 definitions, synonyms, and antonyms. It includes example sentences, pronunciation, and a unique visual view to explore word connections. Access most content without an internet connection.

Offline English Dictionary and Thesaurus270,000+ definitions, synonyms, antonyms100,000+ example sentences
🔍 Reference
(3)
free
11
Dictionary - Word Search Lex
Dictionary - Word Search Lex
Dictionary - Word Search Lex
Dictionary for normal Language
Free

Access a professional multilingual dictionary for English, Japanese, and Korean. Get detailed definitions, pronunciations, and example sentences. Save your search history and favorites for offline language learning.

Multilingual definitionsPronunciations and examplesAuto-save history
🔧 Utilities
(1)
ad-supported
12
Spanish Dictionary & Thesaurus
Spanish Dictionary & Thesaurus
Spanish Dictionary & Thesaurus
with English Translations
Free

Access a comprehensive Spanish dictionary and thesaurus with English translations. Look up definitions, verb conjugations, and synonyms. Features include offline access, audio pronunciations, and voice search for convenient word discovery.

Offline Spanish dictionarySpanish to English translationsAudio pronunciations
🔍 Reference
(186)
free with in-app purchases
13
Word Hippo
Word Hippo
Word Hippo
Thesaurus and Word Reference
Free

This app offers a comprehensive suite of word tools, including an advanced thesaurus for synonyms and antonyms, example sentences, rhyming words, and word type identification. It also features word finders for games, definitions, and translations into numerous languages.

Advanced thesaurus with synonyms and antonymsExample sentences for word usageRhyming word finder
🔍 Reference
(14K)
free with in-app purchases
14
English Dictionary + Thesaurus
English Dictionary + Thesaurus
English Dictionary + Thesaurus
Language reference&vocabulary
Free

This comprehensive language companion offers detailed definitions, synonyms, antonyms, and usage examples for over 150,000 words. Powered by the WordNet 3 database, it's designed to help users expand their vocabulary and refine their English language skills.

WordNet 3 powered definitionsExtensive word library (150,000+)Precise definitions and nuances
🔍 Reference
(9)
free with in-app purchases
15
TheSaurus - Interactive Visual Thesaurus
TheSaurus - Interactive Visual Thesaurus
TheSaurus - Interactive Visual Thesaurus
by Shadanan Sharma
Free

Explore word relationships through an interactive visual graph. See synonyms and definitions presented as interconnected nodes, allowing for deeper understanding of language. Expand the graph by tapping on nodes to reveal more connections and meanings.

Interactive word graph visualizationSynonym and definition displayNode definitions on tap
📚 Education
(9)
free
16
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
(2.6K)
paid
17
German Dictionary & Thesaurus
German Dictionary & Thesaurus
German Dictionary & Thesaurus
with English Translations
Free

Access a comprehensive German dictionary and thesaurus with English translations. Look up definitions, verb conjugations, and pronunciations. This app offers an offline German dictionary with over 58,000 words, advanced search, and bookmarking features.

Offline German dictionaryGerman to English translationsAudio pronunciations
🔍 Reference
(434)
free with in-app purchases
18
English Igbo best dictionary thesaurus - Bekee Igbo kasị mma akwụkwọ ọkọwa okwu
English Igbo best dictionary thesaurus - Bekee Igbo kasị mma akwụkwọ ọkọwa okwu
English Igbo best dictionary thesaurus - Bekee Igbo kasị mma akwụkwọ ọkọwa okwu
by Thanh Nguyen Van
Free

This app provides a comprehensive Igbo to English dictionary with a vast vocabulary and detailed word descriptions. It features full pronunciation support for both languages and a simple, high-performance interface. While it can run offline, internet is needed for pronunciation and web functions.

Largest vocabularyDetailed word descriptions and samplesFull pronunciation support (English & Igbo)
📚 Education
(11)
free
19
Lexicon - Visual Dictionary
Lexicon - Visual Dictionary
Lexicon - Visual Dictionary
Save, Remember & Discover
Free
📚 Education
(0)
20
French Vietnamese Thésaurus
French Vietnamese Thésaurus
French Vietnamese Thésaurus
FR-VN dictionary, conjugation
Free

This app provides a comprehensive French-Vietnamese and Vietnamese-French dictionary with detailed word explanations and examples. It also offers a powerful translation tool and French verb conjugations for all tenses and pronouns.

French-Vietnamese dictionaryVietnamese-French dictionaryFrench verb conjugation
📚 Education
(0)
free

FAQ about Thesaurus Dictionary

What are the best thesaurus dictionary apps for iPhone?
Merriam-Webster Dictionary tops our thesaurus dictionary apps ranking as of August 2026, with a 4.8-star average from 324K App Store ratings, and it's free to download.
Yes — 19 of the top thesaurus dictionary apps we rank are free to download, including Merriam-Webster Dictionary and Thesaurus dictionary- Wordloop.
Merriam-Webster Dictionary shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 246+ thesaurus dictionary apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides access to America's most respected dictionary, continuously updated with new words and meanings. It's designed for English language reference, education, and vocabulary building, offering features like offline access, voice search, and a thesaurus.
Key features include offline access to definitions and synonyms, voice search, a daily 'Word of the Day,' word games for vocabulary testing, favorite word tracking, and an integrated thesaurus with over 200,000 word choices. It also offers audio pronunciations by real English speakers.

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