Collins English Thesaurus
Collins English Thesaurus Summary
Collins English Thesaurus is a ad-supported, with in-app purchases Android app in Books And Reference by MobiSystems. Released in May 2010 (15 years ago). It has about 164.9K+ installs and 646 ratings with a 4.47★ (good) average. Based on AppGoblin estimates, generates around $<10K monthly revenue (22% IAP / 78% ads). Store metadata: updated Oct 30, 2025.
Recent activity: -107155 installs this week (36 over 4 weeks) showing declining growth View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Mar 28, 2026. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Nov 14, 2025.
Store info: Last updated on Google Play on Oct 30, 2025 .
Collins English Thesaurus was last scanned for SDKs 2026-03-28. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Facebook
Google
Kotlin
Square
Bumptech
AdMob
Firebase
AppsFlyer4.47★
Ratings: 646
Screenshots
App Description
Thesaurus of English - a comprehensive selection of synonyms and antonyms.
Collins Thesaurus of the English Language Complete & Unabridged - a complete reference solution for writing, work and study, fully updated to include all the latest new words.
• Over 377,000 synonyms and antonyms
• Key synonyms for each sense, offering the most helpful alternative
• Opposites providing another way of expressions
• A wide range of Idioms and phrases
• Related words and cross-references
• Quotations to add wit, sparkle and originality
• Illustrative examples from real English
• Usage and regional labels
• Extensive coverage of English as an international language
• 550 Subject word lists
What's that word on the tip of your tongue? Want to avoid using tired or ugly words like 'nice' or 'get'? Collins Thesaurus of the English Language 2010 provides hundreds of thousands of related and alternative words to boost your vocabulary. Stuck with your crossword? Let the thesaurus help you find that tantalizing solution to tricky clues.
NEW! Translate words in any other Android app with the Tap to Translate feature, and do it in style with any of the four colorful new themes.
Also includes advanced search and language tools that have become the staple of quality language apps from MobiSystems, Inc.
SEARCH TOOLS - effortlessly find words thanks to a clear, functional, and easy-to-use interface.
Designed to provide the most comprehensive search experience the dictionary combines several search tools to match or suggest what you are looking for, including:
• Search autocomplete helps find words quickly by displaying predictions as you type
• Keyword lookup allows you to search within compound words and phrases
• Looking for a specific word but don't know how it's spelled? We've got you covered with our automatic ‘Fuzzy filter’ to correct word spelling, as well as ‘Wild card’ ('*' or '?') to replace a letter or entire parts of a word
• Camera search looks up words in the camera viewfinder and displays results
• Use our Voice search when you don't know how an entry is spelled
• NEW! Tap to Translate entries in other apps
• Share word definitions via installed apps on your device
LEARNING TOOLS - engaging features that help you further enhance your vocabulary.
• Designed to give you the freedom to structure your studies the way you see fit the 'Favorites' option allows you to create custom folders with lists of words from the vast library of entries
• ‘Recent’ list to easily review looked-up words
• ‘Word of the day’ section to expand your vocabulary daily
• Home screen widget provides random words at a glance
***This is a fully functional 30-day trial version***
Get MORE by purchasing the full version:
• Permanently unlock the complete features list
• Offline mode - look up words without an internet connection
• Premium Support – Get expedited support for any app-related issues
• Ad-free