Best Slang Dictionary English Apps

206+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated May 2026

Finding the right slang dictionary english apps can be overwhelming with so many options. We've analyzed 206+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Slang Dictionary English Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Dictionary.Dictionary.Free4.8★ (15K)YesYesSep 2026
2Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoSep 2026
3English Slang DictionaryEnglish Slang Dictionary$0.99NoNoSep 2026
4Idioms and Slang DictionaryIdioms and Slang DictionaryFree4.7★ (1.1K)YesYesSep 2026
5British Slang! New Dictionary of Urban Slangs QuizBritish Slang! New Dictionary of Urban Slangs QuizFree3.3★ (52)NoYesAug 2026
6English Slang CardsEnglish Slang CardsFree4.7★ (228)NoYesSep 2026
7Oxford Dictionary & ThesaurusOxford Dictionary & ThesaurusFree4.6★ (29K)NoYesSep 2026
8Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (324K)YesYesSep 2026

Top Picks for Slang Dictionary English

Dictionary.#1

Dictionary. by Farlex, Inc.

by TheFreeDictionary.com
Editor's Choice
🔍 Reference
4.8😊(15K ratings)
FreeAdsIn-App Purchases
Dictionary. screenshot 1
Dictionary. screenshot 2
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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
  • 🔍 Easy to use and navigate

Room to Improve

  • 🔍 Cluttered interface with too many ads
  • 🐛 Occasional crashes and bugs
  • 🔍 Difficulty finding specific settings or features
  • 🔋 Drains battery life quickly
Dictionary.com: English Words#2

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

Dictionary, Thesaurus, Vocab
Strong Contender
🔍 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
  • 🤩 Great for expanding vocabulary

Room to Improve

  • 🐛 Inconsistent search results and missing definitions
  • 💸 Aggressive ads even after paid upgrades
  • 🤯 Frequent crashes and performance issues
  • 🤔 Confusing layout changes and UI issues
  • 🤷‍♀️ Paid features not always working as expected

More Slang Dictionary English apps to explore

FAQ about Slang Dictionary English

What are the best slang dictionary english apps for iPhone?
Dictionary. tops our slang dictionary english apps ranking as of May 2026, with a 4.8-star average from 15K App Store ratings, and it's free to download.
Yes — 18 of the top slang dictionary english apps we rank are free to download, including Dictionary. and Dictionary.com: English Words.
Dictionary. shows ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 206+ slang dictionary english apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
Key features include offline access to dictionaries and thesauruses, a vast collection of definitions and synonyms, daily vocabulary builders like Word of the Day, specialty dictionaries for various fields, and translation services. It also offers word games and the ability to look up words directly from other apps.
The app supports translations of English into over 40 languages, including Spanish, French, German, Italian, Portuguese, and Russian. It also offers dozens of other translation options, allowing users to translate other languages into English as well.