Best Idioms And Slang Dictionary Apps

214+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated July 2026

Out of 214+ idioms and slang dictionary apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Idioms And Slang Dictionary

Idioms and Slang Dictionary#1

Idioms and Slang Dictionary by Farlex, Inc.

Phrase meanings and history
Editor's Choice
πŸ” Reference
4.7😊(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

  • πŸ‘ Simple design, easy to use
  • πŸš€ Accurate results
  • πŸ‘ Useful for understanding idioms
  • πŸ‘ Helpful for non-native English speakers

Room to Improve

  • πŸ› Impossible to read text due to background issues
  • πŸ› Ads still show up despite paid subscription
  • πŸ”§ Needs more advanced features like translations, audio, and contextual information
English language: Learn & Play#2

English language: Learn & Play by SMERTRIOS LIMITED

β„–1 Phrases and Idioms App
Strong Contender
πŸ“š Education
4.6😞(7.6K ratings)
FreeAdsIn-App Purchases
English language: Learn & Play screenshot 1
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English language: Learn & Play screenshot 5
English language: Learn & Play screenshot 6

Master English idioms, phrases, and slang through engaging games and quizzes. This app helps you understand and memorize vocabulary using spaced repetition, improving your fluency and confidence in communication.

What We Love

  • πŸ‘ Good app for learning idioms
  • πŸš€ Helpful for improving English vocabulary
  • πŸ“š Useful for non-native English speakers

Room to Improve

  • πŸ’° Expensive subscription model
  • πŸ”’ Difficult to cancel subscription
  • πŸ› Occasional bugs and errors in the app
English Idioms and Slangs#3

English Idioms and Slangs by Reev Tech Inc.

500+ Native English Idioms
Worth Considering
πŸ“š Education
4.7(39 ratings)
FreeAds
English Idioms and Slangs screenshot 1
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Master English idioms and phrases with over 1,300 essential entries. Features personalized flashcards, audio pronunciation, and progress tracking for effective, on-the-go learning. Study offline with customizable reminders and dark mode.

More Idioms And Slang Dictionary apps to explore

4
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
πŸ” Reference
(14K)
free with in-app purchases
5
English Idioms Cards
English Idioms Cards
English Idioms Cards
All common idioms in one app
Free

Master English idioms with over 1000 flashcards. Each card features an idiom, its meaning, example sentences, and pronunciation. Learn visually and audibly in an offline, ad-free environment.

1000 idiom flashcardsIdiom meanings and examplesVisual learning aids
πŸ“š Education
(873)
free with in-app purchases
6
Merriam-Webster Dictionary
Merriam-Webster Dictionary
Merriam-Webster Dictionary
by Merriam-Webster, Inc.
Free

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.

Offline dictionary accessVoice search for wordsDaily Word of the Day
πŸ” Reference
(320K)
free with in-app purchases
7
Dictionary.com: English Words
Dictionary.com: English Words
Dictionary.com: English Words
Dictionary, Thesaurus, Vocab
Free

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.

2 million+ definitions and synonymsWord of the DayExample sentences
πŸ” Reference
(328K)
free with in-app purchases
8
Urban Dictionary
Urban Dictionary
Urban Dictionary
by Urban Dictionary LLC
Free

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.

Unlimited free searchesSlang and non-slang definitionsVote on definitions
πŸ” Reference
(3.5K)
free
9
Etymonline English Dictionary
Etymonline English Dictionary
Etymonline English Dictionary
Dictionary to Build Vocabulary
Free

Explore the origins and history of English words with this comprehensive dictionary app. It offers instant search, related word suggestions, and an offline mode for premium users. Enhance your vocabulary and understanding of word roots.

Word origin explorationInstant search with suggestionsRelated words by root
πŸ“š Education
(11K)
free with in-app purchases
10
English idioms in use
English idioms in use
English idioms in use
All English Idioms & Phrases
Free

Learn English idioms and phrases with over 200 common expressions. Practice your understanding through quizzes and exercises, and utilize tools like text-to-speech and translation to enhance your learning experience.

200+ common English idiomsIdioms and phrases dictionaryQuizzes and tests for idioms and phrasal verbs
πŸ“š Education
(257)
free
11
Idioms and Phrases for English
Idioms and Phrases for English
Idioms and Phrases for English
Phrasal Verbs Dictionary
Free
πŸ“š Education
(0)
12
Slang Dictionary
Slang Dictionary
Slang Dictionary
by Sharpened Productions
Free

Discover the meanings of thousands of slang terms, acronyms, and abbreviations. This free app provides definitions, examples of use, and popularity ratings, helping you understand and use modern language effectively. It's fully functional offline and updates daily.

Thousands of slang termsDefinitions and examplesPopularity ratings
πŸ” Reference
(41)
free
13
Idioms & Phrases (English)
Idioms & Phrases (English)
Idioms & Phrases (English)
most useful idioms & phrases
Free

Master thousands of common English idioms and phrases with this free application. Browse, search, and learn popular expressions categorized for easy understanding. Includes a viewer with speaking and auto-play features for an enhanced learning experience.

Thousands of idioms and phrasesBrowse and search functionalityCategorized idiom lists
πŸ“š Education
(65)
free with in-app purchases
14
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
πŸ” Reference
(85)
free
15
Urban Dictionary - Daily Slang
Urban Dictionary - Daily Slang
Urban Dictionary - Daily Slang
Slang & Internet Language
Free

Explore modern slang, internet expressions, and everyday sayings with clear definitions and real examples. Stay fluent in contemporary language and understand online culture.

Search slang words and expressionsDiscover trending slang dailySimple definitions
🌟 Lifestyle
(12)
free with in-app purchases
16
Idioms English Dictionary
Idioms English Dictionary
Idioms English Dictionary
Listen sound and work offline
Free

This free reference app provides a comprehensive dictionary of English idioms with audio pronunciations. It allows offline access, customizable voice settings, and advanced search functionalities to help users understand and learn idiomatic expressions.

8,500 English idiomsAudio pronunciation for each idiomOffline functionality
πŸ” Reference
(29)
free
17
English Idioms Illustrated
English Idioms Illustrated
English Idioms Illustrated
by Aidan Potts
Free

Explore the fascinating origins and meanings of hundreds of English idioms through engaging illustrations. Learn about the history behind phrases like "Achilles’ heel" and "Wrong side of bed" with Professor Potts. Expand your vocabulary and understanding of idiomatic expressions.

Illustrated idiom explanationsOrigin stories of phrasesHundreds of idioms covered
πŸ“š Education
(10)
free with in-app purchases
18
English Idioms & Slang Phrases
English Idioms & Slang Phrases
English Idioms & Slang Phrases
English Idioms & slang
Free

Master everyday English with a vast collection of idioms and slang. Learn meanings, usage examples, and pronunciation to speak more naturally and confidently. Interactive quizzes and progress tracking make learning engaging.

Extensive idiom and slang collectionClear meanings and real-life examplesAudio pronunciation for speaking practice
πŸ“š Education
(3)
free with in-app purchases
19
Yiddish Slang Dictionary and Quiz
Yiddish Slang Dictionary and Quiz
Yiddish Slang Dictionary and Quiz
by Adam Williams
Free

Explore the vibrant world of Yiddish slang with this comprehensive dictionary. Learn new phrases to shmooze and kibitz, but be aware some content may be considered risquΓ©.

Yiddish slang dictionaryLearn to shmoozeLearn to kibitz
🎬 Entertainment
(24)
free
20
LDict - English Dictionary
LDict - English Dictionary
LDict - English Dictionary
English Dictionary for Beginer
Free

This English dictionary app allows users to search for words and idioms, with options for US or UK voice pronunciation. It also offers features like bookmarking, search history, and lookup from other applications.

Search words and idiomsUS/UK voice pronunciationBookmark favorite words
πŸ” Reference
(0)
free with in-app purchases