Best Onelook Thesaurus Apps

144+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated June 2026

With an average user rating of 4.5โ˜…, the onelook thesaurus category is one of the App Store's strongest. Browse all 144+ apps we track, sorted so the most loved ones surface first.

Top Picks for Onelook Thesaurus

OneLook Thesaurus#1

OneLook Thesaurus by Datamuse Corporation

Find the right word fast
Editor's Choice
๐Ÿ” Reference
3.8(19 ratings)
FreeIn-App Purchases
OneLook Thesaurus screenshot 1
OneLook Thesaurus screenshot 2
OneLook Thesaurus screenshot 3
OneLook Thesaurus screenshot 4
OneLook Thesaurus screenshot 5
OneLook Thesaurus screenshot 6

This powerful thesaurus app helps writers quickly find the right words and phrases with features like custom keyboard integration, speech input, and advanced lookup tools. With a subscription, users get ad-free access to a vast dictionary, word games, and daily inspiration, and can try it out for free for two weeks.

Dictionary.com: English Words#2

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

Dictionary, Thesaurus, Vocab
Strong Contender
๐Ÿ” Reference
4.7๐Ÿ˜(19K 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 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

  • ๐Ÿš€ Robust dictionary and thesaurus
  • ๐Ÿค“ Helpful resources like blogs and articles
  • ๐Ÿ’ก Useful word games and puzzles
  • ๐Ÿ‘ Easy to use and navigate

Room to Improve

  • ๐Ÿ› Inconsistent search results and missing definitions
  • ๐Ÿ’ธ Aggressive ads even after paid upgrades
  • ๐Ÿคฏ Frequent crashes and performance issues
Power Thesaurus#3

Power Thesaurus by Radyushin Pty Ltd

Comprehensive. Fast. Reliable.
Worth Considering
๐Ÿ” Reference
4.8๐Ÿ˜Š(2.9K ratings)
FreeAdsIn-App Purchases
Power Thesaurus screenshot 1
Power Thesaurus screenshot 2
Power Thesaurus screenshot 3

Discover a powerful, community-driven online platform offering a vast collection of synonyms, antonyms, and word associations for writers and students. Enhance your writing experience with user-friendly tools, personalized search results, and ad-free option. Join the community, contribute new terms, and access account features for an improved writing journey.

What We Love

  • โญ Invaluable tool for everyone
  • ๐Ÿš€ Must have
  • โญ Superior
  • โญ Synonyms

Room to Improve

  • ๐Ÿ”Œ Could be better
  • ๐Ÿ› Crashes
  • ๐Ÿ› Crashes the second you tried to open it

More Onelook Thesaurus apps to explore

4
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.

๐Ÿ” Reference
(85)
5
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
English dictionary with Audio
Free

An innovative language tool designed to enhance vocabulary skills through interactive word meanings, synonyms, antonyms, and example sentences. Expand your linguistic knowledge effortlessly!

๐Ÿ” Reference
(4.3K)
6
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
by Weeswares Pte Ltd
Free

Find synonyms and related words easily with a simple and focused thesaurus application. Get quick word meanings and expand your vocabulary effortlessly.

๐Ÿ” Reference
(120)
7
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.

๐Ÿ” Reference
(14K)
8
Thesaurus dictionary- Wordloop
Thesaurus dictionary- Wordloop
Thesaurus dictionary- Wordloop
Synonyms power up vocabulary
Free

Enhance your writing with a built-in thesaurus keyboard feature that suggests synonyms and antonyms. Seamlessly find alternative words while typing in any app. Terms of use can be found at [link to Terms of Use] and Privacy Policy at [link to Privacy Policy].

๐Ÿ” Reference
(258)
9
Spanish Dictionary & Thesaurus
Spanish Dictionary & Thesaurus
Spanish Dictionary & Thesaurus
with English Translations
Free

This comprehensive Spanish dictionary and thesaurus app offers 97,000+ definitions, offline access, and Spanish-English translations, allowing users to play audio pronunciations, save bookmarks, and search by voice. With advanced features and no ads or trials, it's a valuable tool for language learners - start exploring and improve your Spanish skills today!

๐Ÿ” Reference
(186)
10
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.

๐Ÿ” Reference
(2.5K)
11
LookUp: English Dictionary App
LookUp: English Dictionary App
LookUp: English Dictionary App
Build vocabulary, a word daily
Free

Build your vocabulary with a daily word and interactive quizzes using an innovative English Dictionary app. Enjoy a comprehensive dictionary, thesaurus, translations, and powerful vocabulary builder for English learners and word enthusiasts.

๐Ÿ” Reference
(40)
12
Dictionary - English
Dictionary - English
Dictionary - English
English Dictionary Offline
Free

This free offline English dictionary and thesaurus provides instant access to meanings, synonyms, antonyms, and usage examples of over 147,000 words, helping you enhance your vocabulary and writing skills. Get the dictionary now and learn new words, definitions, and spellings on-the-go!

๐Ÿ” Reference
(108)
13
Webster Roget's A-Z Thesaurus
Webster Roget's A-Z Thesaurus
Webster Roget's A-Z Thesaurus
New Worldยฎ English reference
$12.99

This comprehensive reference tool offers a vast thesaurus with over 300,000 synonyms and antonyms, arranged alphabetically for easy access, along with grammatical and usage information to enhance communication. With a user-friendly interface, learning tools, and search features, including autocomplete, voice search, and camera lookup, users can expand their vocabulary and explore the world of words.

๐Ÿ” Reference
(129)
14
English Dictionary *
English Dictionary *
English Dictionary *
Thesaurus and Vocabulary words
Free

Access a comprehensive offline English dictionary with over 4000 essential words at your fingertips. Enhance your vocabulary, improve language skills, and understand definitions without needing an internet connection.

๐Ÿ” Reference
(1.1K)
15
Bangla Dictionary ++
Bangla Dictionary ++
Bangla Dictionary ++
English & Bengali Translator
Free

A powerful tool for translating English to Bengali, this app provides quick and accurate word meanings, synonyms, and pronunciation guides. Perfect for anyone looking to bridge the language gap seamlessly.

๐Ÿ“š Education
(6.6K)
16
Terminology
Terminology
Terminology
Dictionaryโ€ขThesaurusโ€ขResearch
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!

๐Ÿ” Reference
(1K)
17
Roku TV Remote Control Mobile
Roku TV Remote Control Mobile
Roku TV Remote Control Mobile
Smart Play Universal Remoto
Free

Transform your smartphone into a powerful TV remote control with advanced features like a touchpad, keyboard, and voice commands. Effortlessly navigate channels and volume settings for a seamless home entertainment experience. Download now for unparalleled convenience.

๐ŸŽฌ Entertainment
(1.4K)
18
WordBook (Universal)
WordBook (Universal)
WordBook (Universal)
English Dictionary & Thesaurus
$2.99

WordBook is an all-in-one English dictionary app that offers comprehensive word definitions, synonyms, antonyms, and examples of word usage. Enhance your vocabulary and language skills with this powerful tool.

๐Ÿ” Reference
(266)
19
Kurdish Dictionary - Dict Box
Kurdish Dictionary - Dict Box
Kurdish Dictionary - Dict Box
English Kurdish Translation
Free

A highly efficient English to Kurdish dictionary app with a vast vocabulary. Ideal for users seeking quick translations without any hassle. Download now for instant access to comprehensive language support.

๐Ÿ” Reference
(14K)
20
LexicEN Lite English
LexicEN Lite English
LexicEN Lite English
Offline Dictionary & Thesaurus
Free

LexicEN Lite English is an offline dictionary app designed to offer fast and easy search functionality for definitions, synonyms, and translations in multiple languages. Download now to enhance your vocabulary on the go!

๐Ÿ” Reference
(1.2K)