Reverso
  • Translation
  • Grammar Check
  • Context
  • Dictionary
  • Vocabulary

Define & Learn
millions of words and expressions in English

My Vocabulary
Flashcards
History

More features with our free app

Voice search, Vocabulary lists, Learning games, AI writing assistant, and more...

The Ultimate English Dictionary

After revolutionizing bilingual dictionaries with Reverso Context - trusted by over 70 million users - our team of experts crafted a new way to obtain relevant and precise meanings for English words and expressions.
Reverso Define offers you more than 500,000 clear explanations of words, expressions, or acronyms, with their context of usage, examples, register, pronunciation, and more.

Streamline your reading experience

Whether you enjoy reading The New York Times, indulging in a Stephen King thriller, or exploring scientific literature, or if you're a fan of hit movies and TV shows like Friends, Suits, or The Office, our dictionary has you covered.

Over 500,000 meanings for modern English
Find virtually anything — from expressions and idioms to acronyms, technical jargon, popular slang, and more.
Comprehensive coverage of the English language
Support for American (US) and British (UK) English, formal and informal language.
Simple and clear explanations
All our definitions are short, straightforward, and presented in a super easy-to-read interface.
Define
Vocabulary

Search for a word or expression.
Learn it for life.

Save your favorite terms and create personalized vocabulary lists
Practice with flashcards, containing pronunciation and examples of real use
Explore our curated vocabulary lists for work, study, travel, and more...
Learn more

A Dictionary designed for learners, teachers, and experts

Usage examples for every meaning
Learn how to use words and expressions correctly in any context with practical examples.
Click any word to look it up
Curious about a word in a definition? Simply click on it to discover its meaning instantly.
Explore expressions and idioms
Enter a word and discover all expressions and phrases that contain it. Ex. search for “roll” and discover “roll out”, “roll call”, and much more.
Search for words exactly as they are written
You can also look up any common variation of a word. Try searching for “loaded”, “jaded”, "blown away"... you’ll get results for those exact terms rather than the root words which have different meanings (ex. load, jade, blow away).

Try our unique English dictionary with integrated translations

View translations alongside definitions in the language of your choice, for faster and easier comprehension.
Browse the dictionary:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
ReversoHelping millions of people and large organizations communicate more efficiently and precisely in all languages.
Products
Translate Text
Translate Documents
Translation in Context
Grammar Check
Synonyms
Conjugation
Free apps
Reverso for Mac/Windows
Reverso for iOS/Android
Reverso for Chrome/Edge
Offers
Reverso Premium
Reverso Corporate Translator
FAQ
|
Contact
|
About Reverso
|
Terms & Conditions
|
Privacy Settings
|
Privacy Policy
©2025 Reverso. All rights reserved.