Definition of


  1. (verb, change) make lighter or brighter
  2. (verb, weather) become clear

via WordNet, Princeton University

Synonyms of Brighten

clear, clear up, light up, lighten, lighten up

Antonyms of Brighten


Alternate forms of Brighten

Hypernyms: alter, change, modify

Origin of the word Brighten

  1. O.E. *beorhtnian "to make bright" (see bright). Intrans. sense, "to become brighter," attested from c.1300. Figurative use from 1590s. more

via Online Etymology Dictionary, ©2001 Douglas Harper

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