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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 app 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.

Top Picks for Slang Dictionary English

Dictionary.#1

Dictionary. by Farlex, Inc.

by TheFreeDictionary.com
Editor's Choice
šŸ” Reference
4.8šŸ˜Š(14K ratings)
FreeAdsIn-App Purchases
Dictionary. screenshot 1
Dictionary. screenshot 2
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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

  • šŸš€ Comprehensive and detailed definitions
  • šŸ‘ Helpful thesaurus and translation features
  • šŸŽ® Fun word games and activities
  • šŸ“š Vast amount of information beyond just definitions

Room to Improve

  • šŸ” Cluttered interface with too many ads
  • šŸ› Occasional crashes and bugs
  • šŸ” Difficulty finding specific settings or features
Dictionary.com: English Words#2

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

Dictionary, Thesaurus, Vocab
Strong Contender
šŸ” Reference
4.8šŸ˜(328K ratings)
FreeAdsIn-App Purchases
Dictionary.com: English Words screenshot 1
Dictionary.com: English Words screenshot 2
Dictionary.com: English Words screenshot 3
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Dictionary.com: English Words screenshot 5
Dictionary.com: English Words screenshot 6

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

  • šŸš€ Robust dictionary and thesaurus
  • šŸ¤“ Helpful resources like blogs and articles
  • šŸ’” Useful word games and puzzles
  • šŸ‘ Easy to use and navigate

Room to Improve

  • šŸ› Inconsistent search results and missing definitions
  • šŸ’ø Aggressive ads even after paid upgrades
  • šŸ¤Æ Frequent crashes and performance issues

More Slang Dictionary English apps to explore

4
Idioms and Slang Dictionary
Idioms and Slang Dictionary
Idioms and Slang Dictionary
Phrase meanings and history
Free

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.

Definitions from top sourcesHistory and origin of phrasesExample sentences
šŸ” Reference
(1K)
free with in-app purchases
5
British Slang! New Dictionary of Urban Slangs Quiz
British Slang! New Dictionary of Urban Slangs Quiz
British Slang! New Dictionary of Urban Slangs Quiz
by Michael Quach
Free

Explore a vast collection of British slang words and phrases. Discover meanings, save your favorites, and easily share them through various platforms like email, SMS, and social media.

Extensive British slang vocabularyReveal slang meaningsSave favorite slang
šŸ“š Books
(48)
free with in-app purchases
6
English Slang Cards
English Slang Cards
English Slang Cards
All common slang in one app
Free

Learn common American and British slang with 500 flashcards. Each card includes the slang word, its meaning, an example sentence, a visual aid, and correct pronunciation. Expand your vocabulary and understand casual English conversations.

500 slang flashcardsAmerican and British slangExample sentences
šŸ“š Education
(218)
free with in-app purchases
7
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Thesaurus & Offline Vocabulary
Free

Access a vast collection of dictionaries and thesauruses with definitions, pronunciations, and etymology. Features include offline access, advanced search options, and personalized word lists. Ideal for students, professionals, and word enthusiasts.

15 Oxford DictionariesThesaurus integrationAudio pronunciations
šŸ” Reference
(28K)
free with in-app purchases
8
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
šŸ” Reference
(320K)
free with in-app purchases
9
Australian Slang: Urban Aussie Slang Dictionary
Australian Slang: Urban Aussie Slang Dictionary
Australian Slang: Urban Aussie Slang Dictionary
by Michael Quach
Free

Explore a vast collection of Australian slang words and phrases. This app helps you learn and use colorful Aussie sayings, perfect for travelers or anyone interested in Australian culture. Save your favorites and easily share them with friends.

Hundreds of slang words & phrasesSave favorite slangShare slang via email
šŸ“š Books
(21)
free with in-app purchases
10
American Slang Colloquialism!
American Slang Colloquialism!
American Slang Colloquialism!
Urban Dictionary Slangs Quiz!
Free

Explore a vast collection of American slang terms and expressions. This app provides definitions for urban dictionary slangs and allows you to save, share, and discover new colloquialisms. It's designed for entertainment and learning.

Learn American SlangView Slang DefinitionsSave Favorite Slang
šŸ“š Books
(42)
free with in-app purchases
11
English language: Learn & Play
English language: Learn & Play
English language: Learn & Play
ā„–1 Phrases and Idioms App
Free

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.

Learn over 1,000 idioms and phrasesStudy 50+ topicsInteractive games and quizzes
šŸ“š Education
(7.6K)
subscription
12
Spanish Dictionary - Dict Box
Spanish Dictionary - Dict Box
Spanish Dictionary - Dict Box
English Spanish Translation
Free

This app provides a comprehensive English to Spanish and Spanish to English dictionary and translator. It offers offline functionality, word correction, and the ability to translate text directly from other applications and web browsers. Users can also access image search and word reminders.

Offline dictionary and translatorTranslate in other apps and browsersImage search and picture dictionary
šŸ” Reference
(8.3K)
free with in-app purchases
13
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
šŸŒŸ Lifestyle
(17)
free with in-app purchases
14
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Premium Ad-free Dictionary
$9.99

Access America's leading dictionary with over 15,000 extra entries for people and places. Enjoy offline access, voice search, and daily vocabulary builders. This app offers expert word guidance with a thesaurus and example sentences.

Ad-free experience15,000+ premium entriesOffline dictionary access
šŸ” Reference
(22K)
freemium
15
Vietnamese best dict
Vietnamese best dict
Vietnamese best dict
by Thanh Nguyen Van
Free

This Vietnamese-English dictionary offers a vast vocabulary with detailed word descriptions and numerous examples. It features a simple, high-performance interface and provides full pronunciation support for both English and Vietnamese, aiding language learning.

Largest vocabularyDetailed word descriptionsNumerous examples
šŸ“š Education
(440)
free with in-app purchases
16
UrbanWatch - Slang Dictionary
UrbanWatch - Slang Dictionary
UrbanWatch - Slang Dictionary
Slang dictionary on your wrist
Free

Access a comprehensive slang dictionary with definitions, a daily word, and random entries. Save your favorite terms and sync them across your devices. Share interesting definitions with friends.

Slang definitionsWord of the DayRandom definitions
šŸ” Reference
(9)
free with in-app purchases
17
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
šŸ” Reference
(85)
free
18
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
šŸ“š Education
(11K)
free with in-app purchases
19
Slang: Professional English
Slang: Professional English
Slang: Professional English
Learn professional English!
Free

This app offers personalized professional English courses that adapt to your learning style and proficiency. It focuses on career-specific vocabulary and skills, going beyond basic language to help you achieve fluency and unlock global opportunities.

Adaptive learning technologyCareer-specific English coursesPersonalized study experience
šŸ“š Education
(34)
free with in-app purchases
20
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary for All Languages
Free

This app provides an offline dictionary and translator for over 50 languages. It offers smart word suggestions, text translation in other apps, offline pronunciation, and a picture dictionary. An optional premium upgrade unlocks advanced features and an ad-free experience.

Offline dictionary & translator50+ languages supportedSmart word suggestions
šŸ” Reference
(11K)
free with in-app purchases

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