Best Dictionary Offline Free Engineering Apps

213+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated June 2026

Whether you're new to dictionary offline free engineering or looking for an upgrade, our curated collection of 213+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Dictionary Offline Free Engineering

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
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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
4.8😊(320K ratings)
FreeAdsIn-App Purchases
#37in 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
Electrical Dictionary :Offline#3

Electrical Dictionary :Offline by Puju Dekivadiya

Electrical Engineering Diction
Worth Considering
📚 Education
4.6(5 ratings)
FreeAdsIn-App Purchases
Electrical Dictionary :Offline screenshot 1
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This electrical dictionary app provides easy access to over 5,000 electrical terms and their meanings, with features such as speech-to-text functionality, quizzes, and a favourites list, all available offline. Download now and start learning electrical terms in a simple and efficient way!

More Dictionary Offline Free Engineering apps to explore

4
Civil Engineering Dictionary _
Civil Engineering Dictionary _
Civil Engineering Dictionary _
Civil Engineering Dictionary
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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
Dictionary.
Dictionary.
Dictionary.
by TheFreeDictionary.com
Free

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.

🔍 Reference
(14K)
7
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
by TheFreeDictionary.com
$9.99

Access the premium ad-free Dictionary and Thesaurus Pro app by TheFreeDictionary.com for comprehensive offline dictionary and thesaurus content in multiple languages, including offline translations.

🔍 Reference
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8
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.

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9
Kurdish Dictionary - Dict Box
Kurdish Dictionary - Dict Box
Kurdish Dictionary - Dict Box
English Kurdish Translation
Free

A highly efficient English to Kurdish dictionary app with a vast vocabulary. Ideal for users seeking quick translations without any hassle. Download now for instant access to comprehensive language support.

🔍 Reference
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10
Arabic Dictionary +
Arabic Dictionary +
Arabic Dictionary +
Translator to learn English
Free

An English to Arabic and Arabic to English dictionary and translator app with over 350K words and phrases available offline. Features include offline pronunciation, image text scanning, games for vocabulary improvement, word of the day, and more. Ideal for students, teachers, tourists, and language learners. Enhance your language skills now!

📚 Books
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11
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
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12
Korean Dictionary - Dict Box
Korean Dictionary - Dict Box
Korean Dictionary - Dict Box
Translate - Korean Translator
Free

An offline Korean dictionary app for easy translations and language learning, perfect for quick access to definitions and words on-the-go. Translate efficiently with this handy tool for all your Korean language needs.

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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!

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14
Thai Dictionary - Dict Box
Thai Dictionary - Dict Box
Thai Dictionary - Dict Box
Thai Translator - Translate
Free

Gain quick access to a comprehensive offline Thai dictionary and translator with Dict Box. Perfect for on-the-go language reference and translation needs. Get it now to enhance your Thai language skills!

🔍 Reference
(3.4K)
15
English Dictionary - Offline
English Dictionary - Offline
English Dictionary - Offline
Offline English Dictionary
Free
🔍 Reference
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16
Civil Dictionary Offline
Civil Dictionary Offline
Civil Dictionary Offline
Civil Vocabulary & Meaning
Free
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(2)
17
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?

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18
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)
19
Dictionary - English
Dictionary - English
Dictionary - English
English Dictionary Offline
Free

This free offline English dictionary and thesaurus provides instant access to meanings, synonyms, antonyms, and usage examples of over 147,000 words, helping you enhance your vocabulary and writing skills. Get the dictionary now and learn new words, definitions, and spellings on-the-go!

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(108)
20
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
by Weeswares Pte Ltd
Free

Find synonyms and related words easily with a simple and focused thesaurus application. Get quick word meanings and expand your vocabulary effortlessly.

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