Online dictionary: English Definition translation of words and expressions, definition, synonyms

An English monolingual dictionary is useful for understanding a word meaning - not only for native English speakers, but also for those who are learning English as a second language. Whether you are translating from English into your mother tongue or you simply don’t know what a word means, you can always count on our English dictionary, with its definitions of common words, technical terms and idioms, many of them added by our community members.

See the latest user contributions to the English dictionary and add your own:

Cat.
 n.
Type of car with a hatch at the rear of the car, above the cargo area of the aft compartment, that opens upwards when opening the boot door.
 npl.
a disorder of the hands skin characterized by roughness, dryness and sensitiveness
 n.
Exceptional invitation to a player to participate in a tourney without having to qualify for it.
 n.
a series of tweets on the same topic published in a short period
 n.
eaux troubles ; eaux stagnantes ; tréfonds ; recoins ; coins reculés ; eaux dormantes ;
You want to reject this entry: please give us your comments (bad translation/definition, duplicate entries...)
To add entries to your own vocabulary, become a member of Reverso community or login if you are already a member. It's easy and only takes a few seconds:
Or sign up in the traditional way

How to take part:

  • Add words and phrases with complete definitions
  • Comment on the English definitions submitted by other users
  • Vote for or against an English definition
» How to contribute

Help us write our English dictionary

English words are used all over the world. They are borrowed by other languages, and often become buzzwords used daily by millions of people. It is obviously vital to understand their meaning and use them correctly. That’s why Reverso allows its users to contribute to the online dictionary with their own English definitions. Thousands of English words and idioms, colloquial expressions, phrase, slang terms, and specialized terms have already been added to the English dictionary. You can help us write our online dictionary by adding words and expressions and their English definition, or by making comments on the definitions added by other users.

A wide-ranging dictionary lookup tool

When you look up the definition of a word in our English dictionary, the results displayed will include not only words and phrases from the general dictionary, but also definitions added by users. With a single click, you can suggest a new definition for an English word, search for its synonyms, conjugate verbs or hear the pronunciation of the word.

Why use the English dictionary

  • Searches are made both in the general dictionary and among the words and idioms submitted by users.
  • It can be used not only by beginners learning English, but also by proficient users as a tool for improving English translations
  • It provides access to idioms which are missing from other English dictionaries, added by Reverso community members
  • It gives you the opportunity to show how proficient you are in English by contributing new entries and comments to the English dictionary
Register to enjoy these benefits and much more
"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"