Main Entry: bright·en

Pronunciation: \ˈbrī-t^ən\

Function: verb

Inflected Form(s): bright·ened; bright·en·ing \ˈbrīt-niŋ, ˈbrī-t^ən-iŋ\

Date: 14th century

intransitive verb : to become bright or brighter <her mood brightened>transitive verb : to make bright or brighter <the gift brightened my day>

— bright·en·er \ˈbrīt-nər, ˈbrī-t^ən-ər\ noun