Dictionary.com: English Words 4+

Dictionary.com, LLC


    • 無料
    • アプリ内課金があります



Download the number one free dictionary app with English language learning tools and free word games built for every level of learner.

With more than 2 million trusted definitions and synonyms plus word puzzles, language quizzes, and spelling quizzes, this English dictionary and thesaurus app for iPhone is optimized with your mobile device in mind to help you learn English or improve your English vocabulary.

Flip to dark mode to give your eyes a break, or stick to the traditional set-up. It even works offline! Install the offline dictionary for access to definitions and synonyms whenever and wherever you need them — no bulky books necessary.

In addition to the trusted reference content from Dictionary.com and Thesaurus.com, this education app includes:

Word Puzzle ► Love crossword puzzles and anagrams? You’ll flip for our word puzzle! Unscramble the letters, and cash in your coins for an extra boost. Want more word game fun? Improve your vocabulary with fun spelling quizzes and vocabulary challenges.

Word of the Day ► Learn a new word each day and expand your vocabulary education.

Synonym of the Day ► Can you pick the correct synonym for a word? Keep your vocabulary sharp with our daily synonym challenge.

Audio pronunciations ► Never mispronounce another word.

Synonyms ► Get thesaurus content alongside your dictionary definitions.

Voice search ► Find the definitions you’re looking for anywhere, anytime. The app even offers up English spelling help. Not sure how a word is spelled? Say it out loud, and this app will find it for you.

Grammar help ► Get grammar tips, word usage, and more to improve your writing.

Editorial articles ► Explore editorial content for features on words, the origins of our language, and the nuances that make English so complicated and unique.

Favorite words and search history ► Customize your recently searched word list, and never forget the newest words you’ve learned.

Learner’s dictionary ► Includes extra information about word usage for English learners.

Dictionary shuffle ► Think you know ALL the definitions? Prove it with Dictionary Shuffle, which chooses a word at random and brings you to the definition.

A-Z Dictionary ► What’s more exciting than ... wait for it … browsing the Dictionary?! We’ve now made it even easier, with the A–Z Dictionary.

Optimized for Apple Watch!

Get even more from your app with our upgrades:

- Example Sentences

- Encyclopedia

- Idioms and Phrases

- Science and Rhyming Dictionaries

- Offline Dictionary + Remove ads

Or get the best value with our power pack, which includes them all!


バージョン 11.6.0

- Updates to our Daily Crossword Puzzle to provide more viewing and playing area.
- Users who purchased the Power Pack or the Remove Ads upgrade will now have the ad-free version of the Daily Crossword Puzzle.
- Minor updates to the Word of the Day and Synonym of the Day screens.





Almost perfect dictionary

Really useful dictionary, easy to look up and contains plenty of difinitions and examples. Thank you, developers!

I really want it to have the history of words and expressions I looked up on it's dictionary, like that of a chinese dictionary 'Pleco'. Such a function would really help me to review what I studied already.

It already has star button to favorite any words but it's not good enough. It calls for me to tap the favorite button each time, and favorited words are ordered in the alphabetical order and not in chronological order.


Thanks for the kind review, and for taking the time to share your thoughts. We are always looking for ways to improve our user's experience. We will pass this along your suggestions along to our team, to consider in future updates. Thank you for using our app!

no other names sorry.


This Dictionary is what I want to find about the word I desire. For work I am doing and needed to know it immediately. Using the computer & not need to get hold of hard copy of an dictationary.

Glen Rowell a4jp.com

Full screen advert with sound and no offline function.

Please kill the full screen adverts. You play sound without even asking now. 0/5 for this app just for that. I don’t wanna delete it yet but I’m looking around for something to replace dictionary.com. You used to have the best dictionary online before. If you trick users into clicking a full screen advert and the advertisers are charged for the click you should have to give the money back to them. I don’t want apps like yours burning up my advertising budget.


デベロッパである"Dictionary.com, LLC"は、アプリのプライバシー慣行に、以下のデータの取り扱いが含まれる可能性があることを示しました。詳しくは、デベロッパプライバシーポリシーを参照してください。



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