darken - definition and synonyms

verb [intransitive/transitive] 

Your browser doesn’t support HTML5 audio

present tense
present participledarkening
past tensedarkened
past participledarkened
  1. 1
    to become darker, or to make something darker

    His hair, darkened by sweat, clung to his head.

  2. 2
    to suddenly become serious or less hopeful, or to suddenly make a situation seem serious or less hopeful

    Philip’s face darkened.

    The mood was darkened further by a gloomy economic forecast.