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Best Dictionary Free Apps

235+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our dictionary free list covers 235+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Dictionary Free

Dictionary.com: English Words#1

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

Dictionary, Thesaurus, Vocab
Editor's Choice
🔍 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
Dictionary.com: English Words screenshot 6

Access the ultimate English language learning app packed with quizzes, games, and over 2 million definitions and synonyms. Enhance your vocabulary with word puzzles and daily challenges, enjoy dark mode, offline access, voice search, and more. Improve your English skills effortlessly!

What We Love

  • 🚀 Robust dictionary and thesaurus
  • 🤓 Helpful resources like blogs and articles
  • 💡 Useful word games and puzzles
  • 👍 Easy to use and navigate

Room to Improve

  • 🐛 Inconsistent search results and missing definitions
  • 💸 Aggressive ads even after paid upgrades
  • 🤯 Frequent crashes and performance issues
Merriam-Webster Dictionary#2

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Strong Contender
🔍 Reference
4.9😊(3.2K ratings)
FreeAdsIn-App Purchases
#43in Reference
Merriam-Webster Dictionary screenshot 1
Merriam-Webster Dictionary screenshot 2
Merriam-Webster Dictionary screenshot 3
Merriam-Webster Dictionary screenshot 4

Access a premier iOS app for English language reference, education, and vocabulary building, with new word games and quizzes for learning. Features universal access, offline capabilities, voice search, daily word learning, thesaurus, example sentences, and pronunciations by real speakers. Enjoy features like favorite word syncing and Apple Watch integration. Subscribe to remove ads and access extra resources. Manage your subscription easily. Terms of Use: [Link to Terms of Use].

What We Love

  • 🚀 Easy to use
  • 👍 Comprehensive definitions
  • 👍 Helpful thesaurus
  • 🚀 Offline access

Room to Improve

  • 🐛 Ads can be intrusive
  • 🐛 Difficulty closing ads
  • 🐛 Repetitive game questions
Dictionary.#3

Dictionary. by Farlex, Inc.

by TheFreeDictionary.com
Worth Considering
🔍 Reference
4.8😊(14K ratings)
FreeAdsIn-App Purchases
Dictionary. screenshot 1
Dictionary. screenshot 2
Dictionary. screenshot 3
Dictionary. screenshot 4
Dictionary. screenshot 5

Discover a comprehensive Dictionary and Thesaurus app with a Word of the Day feature, offline access, and resources from top sources. Access millions of definitions, synonyms, translations, and more for a versatile language tool.

What We Love

  • 🚀 Comprehensive and detailed definitions
  • 👍 Helpful thesaurus and translation features
  • 🎮 Fun word games and activities
  • 📚 Vast amount of information beyond just definitions

Room to Improve

  • 🔍 Cluttered interface with too many ads
  • 🐛 Occasional crashes and bugs
  • 🔍 Difficulty finding specific settings or features

More Dictionary Free apps to explore

4
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Thesaurus & Offline Vocabulary
Free

Access one of the highest authorities in language reference with the power of 15 major Oxford dictionaries at your fingertips. Explore advanced search and learning tools for a comprehensive linguistic experience.

🔍 Reference
(28K)
5
WordWeb Dictionary
WordWeb Dictionary
WordWeb Dictionary
Offline ad-free dictionary
Free

Discover a comprehensive offline dictionary and thesaurus with fast search, spelling suggestions, definitions, synonyms, and more. Enjoy ad-free browsing, usage examples, and unique search features without the need for an internet connection. Explore WordWeb Dictionary for a seamless word lookup experience.

🔍 Reference
(85)
6
English Dictionary *
English Dictionary *
English Dictionary *
Thesaurus and Vocabulary words
Free

Access a comprehensive offline English dictionary with over 4000 essential words at your fingertips. Enhance your vocabulary, improve language skills, and understand definitions without needing an internet connection.

🔍 Reference
(1.1K)
7
Persian Dictionary - Dict Box
Persian Dictionary - Dict Box
Persian Dictionary - Dict Box
دیکشنری انگلیسی به فارسی
Free

An offline English to Persian dictionary app, providing instant translations and word definitions. Access a wide range of vocabulary without needing an internet connection. Ready to unlock the power of language at your fingertips?

🔍 Reference
(86K)
8
Dictionary & Translator
Dictionary & Translator
Dictionary & Translator
Learn and Translate Languages
Free

A versatile application offering an extensive database of words, meanings, and synonyms. Users can easily look up definitions, translations, and related terms with a user-friendly interface. Try it out for quick and accurate word references!

📚 Education
(12K)
9
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary for All Languages
Free

Discover a comprehensive offline dictionary app for all languages with Dict Box. Access definitions, translations, and synonyms on-the-go. Download now for quick and easy language reference.

🔍 Reference
(11K)
10
Eng-Mm Dictionary
Eng-Mm Dictionary
Eng-Mm Dictionary
English to Myanmar Dictionary
Free

This application is an offline English to Myanmar and Myanmar to English dictionary with features like auto-suggest search, voice settings, word quiz, and learning modules. It offers example sentences, phonetic translations, synonyms, and antonyms, and can convert fonts between Myanmar Unicode and Zawgyi.

🔍 Reference
(958)
11
Google Translate
Google Translate
Google Translate
Text, Photo & Voice Translator
Free

A versatile language translation tool that effortlessly translates text, images, and spoken words in multiple languages. Enhance communication and break down language barriers easily.

🔍 Reference
(83K)
12
Word of the Day・Vocabulary
Word of the Day・Vocabulary
Word of the Day・Vocabulary
Vocab Builder & Word Games
Free

Elevate your vocabulary with a daily word companion app designed to enhance your word power effortlessly. From academic to obscure words, this app tailored by linguists recommends personalized words, aids in self-improvement, and offers a vast collection of beautifully narrated word stories daily. Join now and start your journey towards mastering the art of words.

📚 Education
(38K)
13
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
English dictionary with Audio
Free

An innovative language tool designed to enhance vocabulary skills through interactive word meanings, synonyms, antonyms, and example sentences. Expand your linguistic knowledge effortlessly!

🔍 Reference
(4.3K)
14
Arabic Dictionary - Dict Box
Arabic Dictionary - Dict Box
Arabic Dictionary - Dict Box
قاموس انكليزي عربي
Free

A fast, offline English-Arabic dictionary and translation app with smart word suggestions, text translation, pronunciation, visual dictionary, and more. Access multiple dictionaries, get meanings instantly by tapping on words, and enjoy a range of useful features. Start exploring now!

🔍 Reference
(28K)
15
Vietnamese Dictionary Dict Box
Vietnamese Dictionary Dict Box
Vietnamese Dictionary Dict Box
Engish Vietnamese Translator
Free

Access an all-in-one Vietnamese-English dictionary and translator app that offers offline access, effortless text translation, word suggestions, and more. Enhance your language learning with features like text-to-speech pronunciation, picture dictionary, and word reminders. Upgrade to Premium for an ad-free experience and additional benefits.

🔍 Reference
(18K)
16
Spanish Dictionary - Dict Box
Spanish Dictionary - Dict Box
Spanish Dictionary - Dict Box
English Spanish Translation
Free

A powerful English to Spanish translation tool offering detailed definitions, examples, synonyms, and language learning features. Enhance your language skills and easily translate words and phrases on-the-go.

🔍 Reference
(8.3K)
17
Dictionary Linguee
Dictionary Linguee
Dictionary Linguee
German, French, Spanish, more
Free

Discover a revolutionary dictionary app offering fast and reliable translations in multiple languages, including French, Spanish, and German. Access over one billion translations, editorial dictionaries, offline mode, example sentences, and pronunciation guides for seamless language learning. Try it now for quick and accurate translations on the go.

🔍 Reference
(11K)
18
Grammarly: AI Keyboard & Notes
Grammarly: AI Keyboard & Notes
Grammarly: AI Keyboard & Notes
Chats, emails, work and study
Free

An AI writing keyboard that provides instant feedback and assistance for improved writing on iPhone and iPad. Features include spelling, grammar suggestions, tone detection, generative AI rewrites, and a document editor. Upgrade to Premium for advanced writing suggestions. Improve your writing with Grammarly!

📊 Productivity
(1.3K)
19
Vietnamese Dictionary PEnglish
Vietnamese Dictionary PEnglish
Vietnamese Dictionary PEnglish
English Vietnamese Dictionary
Free

Access a comprehensive and innovative English-Vietnamese dictionary app with offline accessibility and advanced search features for free on the Appstore. Perfect for quick translations on-the-go!

📚 Education
(18K)
20
English Learners Dictionary
English Learners Dictionary
English Learners Dictionary
Oxford Dictionary English
Free
📚 Education
(245)

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