English Definition dictionary: meaning of words and expressions, synonyms, definition

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.
 v.
tener buena conciencia
en ambos lados de la frontera
 n.
Corea del Norte
 v.
dedicar su dinero a hacer
 n.
gramática comparada

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  • Add words and phrases with complete definitions
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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
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"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"