Best Slang Dictionary Apps

239+ iOS apps curated and reviewed

4.0 avg rating
18 free apps
Updated October 2026

Out of 239+ slang dictionary apps on iOS, 18 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 Slang Dictionary Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Slang DictionarySlang DictionaryFree4.1★ (41)NoNoSep 2026
2Urban DictionaryUrban DictionaryFree4.5★ (3.5K)NoNoSep 2026
3Idioms and Slang DictionaryIdioms and Slang DictionaryFree4.7★ (1.1K)YesYesOct 2026
4Yojeummal Slang DictionaryYojeummal Slang DictionaryFree—NoYesAug 2026
5UrbanWatch - Slang DictionaryUrbanWatch - Slang DictionaryFree4.3★ (9)NoYesSep 2026
6Urban Dictionary - Daily SlangUrban Dictionary - Daily SlangFree3.3★ (22)NoYesSep 2026
7Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (328K)YesYesOct 2026
8Deep DictionaryDeep DictionaryFree4.7★ (51)YesNoOct 2026

Top Picks for Slang Dictionary

4.5😐(3.5K ratings)
Free
Urban Dictionary screenshot 1
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Urban Dictionary screenshot 6

Access a vast collection of user-submitted definitions for slang and non-slang words. Search, vote on definitions, and discover new words with daily updates. Share interesting terms easily with friends.

What We Love

  • 🤩 Entertaining and informative
  • 👍 Useful for understanding slang and new terminology
  • 🤓 Provides creative and humorous definitions

Room to Improve

  • 🐛 App crashes or stops working
  • 🙄 Politically biased content
  • 🤢 Inappropriate or vulgar content
  • 🤔 Outdated or no longer supported
Idioms and Slang Dictionary#3

Idioms and Slang Dictionary by Farlex, Inc.

Phrase meanings and history
Worth Considering
🔍 Reference
4.7😊(1.1K ratings)
FreeAdsIn-App Purchases
Idioms and Slang Dictionary screenshot 1
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Idioms and Slang Dictionary screenshot 5

Explore the meanings and origins of over 61,000 idioms, slang terms, proverbs, and expressions. Understand conversational English like a native speaker with definitions, historical context, and example sentences.

What We Love

  • 👍 Simple design, easy to use
  • 🚀 Accurate results
  • 👍 Useful for understanding idioms
  • 👍 Helpful for non-native English speakers
  • 👍 Great resource for teaching and learning English
  • 👍 Fantastic for learning origins of phrases and idioms

Room to Improve

  • 🐛 Impossible to read text due to background issues
  • 🐛 Ads still show up despite paid subscription
  • 🔧 Needs more advanced features like translations, audio, and contextual information
  • 🔧 User experience could be improved, such as better navigation

More Slang Dictionary apps to explore

FAQ about Slang Dictionary

What are the best slang dictionary apps for iPhone?
Slang Dictionary tops our slang dictionary apps ranking as of October 2026, with a 4.1-star average from 41 App Store ratings, and it's free to download.
Yes — 18 of the top slang dictionary apps we rank are free to download, including Slang Dictionary and Urban Dictionary.
Slang Dictionary has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 239+ slang dictionary apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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