Best Slang Dictionary Apps

190+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated May 2026

Out of 190+ slang dictionary apps on iOS, 19 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 Slang Dictionary

Slang Dictionary#1

Slang Dictionary by Sharpened Productions

Editor's Choice
🔍 Reference
4.1(41 ratings)
Free
Slang Dictionary screenshot 1
Slang Dictionary screenshot 2
Slang Dictionary screenshot 3

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.

Gen Z Slang Dictionary#2

Gen Z Slang Dictionary by Nguyen Tien Duoc

Decode trending TikTok lingo
Strong Contender
📊 Productivity
0.0(0 ratings)
FreeAdsIn-App Purchases
Gen Z Slang Dictionary screenshot 1
Gen Z Slang Dictionary screenshot 2
Gen Z Slang Dictionary screenshot 3
Gen Z Slang Dictionary screenshot 4
Gen Z Slang Dictionary screenshot 5
Gen Z Slang Dictionary screenshot 6

Decode trending slang from social media and real life with instant lookups and example usage. Save favorites, suggest new meanings, and explore slang by themes. Stay updated weekly with new terms.

More Slang Dictionary 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
🔍 Reference
(1K)
free with in-app purchases
5
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
🔍 Reference
(328K)
free with in-app purchases
6
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
(17)
free with in-app purchases
7
Rap Dictionary
Rap Dictionary
Rap Dictionary
An A-Z Guide to Rap/Hip-Hop
Free

Explore a comprehensive A-Z guide to rap and hip-hop terminology, slang, and abbreviations. This free resource helps you understand the language of the culture with over 5,000 terms and definitions.

A-Z glossary of rap/hip-hop termsOver 5,000 terms and definitionsLearn urban slang and abbreviations
🔍 Reference
(12)
free
8
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
🔍 Reference
(14K)
free with in-app purchases
9
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
🔍 Reference
(28K)
free with in-app purchases
10
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
📚 Education
(218)
free with in-app purchases
11
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
🔍 Reference
(320K)
free with in-app purchases
12
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
📚 Education
(11K)
free with in-app purchases
13
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
📚 Books
(48)
free with in-app purchases
14
Deep Dictionary
Deep Dictionary
Deep Dictionary
Wikipedia, Images, Thesaurus
Free

Access definitions from various sources like Wikipedia and Urban Dictionary, with multilingual support and pronunciation guides. Enhance your vocabulary with synonyms, related words, and real-life usage examples.

Multilingual definitionsUrban Dictionary slang integrationWikipedia content access
🔍 Reference
(47)
ad-supported
15
Dictionary Linguee
Dictionary Linguee
Dictionary Linguee
German, French, Spanish, more
Free

Access reliable translations for multiple languages, including French, Spanish, and German, with this comprehensive dictionary app. It offers fast, offline access to a vast database compiled by lexicographers and includes example sentences and audio pronunciations.

Translations in French, Spanish, German, and moreCompiled by over 400 lexicographersFast translations with quick search
🔍 Reference
(11K)
free
16
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
🔍 Reference
(22K)
freemium
17
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
📚 Education
(34)
free with in-app purchases
18
Slang-O
Slang-O
Slang-O
Translate It.Create It.Slay It
Free

This platform allows users to translate and create new slang words in real-time. Users can invent their own terms, bring back old ones, and contribute to a dynamic, user-driven slang dictionary. Connect with a diverse community and gain clout as your creations trend.

Slang TranslatorCreate New SlangRecycle Old Slang
🎬 Entertainment
(3)
freemium
19
Acronyms and Abbreviations
Acronyms and Abbreviations
Acronyms and Abbreviations
Dictionary of Meanings
Free

Access definitions for over 1 million acronyms and abbreviations across various fields, including medicine, military, IT, and slang. This comprehensive dictionary offers offline access, search suggestions, and the ability to save favorites.

1 million+ offline acronymsSearch suggestionsUnlimited bookmarks
🔍 Reference
(275)
free with in-app purchases
20
Word of the Day・Vocabulary
Word of the Day・Vocabulary
Word of the Day・Vocabulary
Vocab Builder & Word Games
Free

Enhance your vocabulary with daily words, engaging games, and personalized quizzes. This app offers expert-curated content and interactive challenges to make learning stick and improve your communication skills.

Daily word insights with definitions and examplesVocabulary assessment and personalized learning plansWord games like Hangman and Gaps
📚 Education
(38K)
free with in-app purchases

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