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From Latin ācris, from ācer (sharp); probably assimilated in form to acid. Compare eager.


  • IPA(key): /ˈæk.ɹɪd/
  • (file)
    Hyphenation: ac‧rid


acrid (comparative acrider or more acrid, superlative acridest or most acrid)

  1. Sharp and harsh, or bitter and not to the taste; pungent.
    • 2013 June 29, “Unspontaneous combustion”, in The Economist, volume 407, number 8842, page 29:
      Since the mid-1980s, when Indonesia first began to clear its bountiful forests on an industrial scale in favour of lucrative palm-oil plantations, “haze” has become an almost annual occurrence in South-East Asia. The cheapest way to clear logged woodland is to burn it, producing an acrid cloud of foul white smoke that, carried by the wind, can cover hundreds, or even thousands, of square miles.
    Sodium polyacrylate is an acrid salt.
  2. Causing heat and irritation; corrosive.
    The bombardier beetle sprays acrid secretions to defend itself.
  3. Caustic; bitter; bitterly irritating.
    That man has an acrid temper.



  • delectable, delicious, tasteful

Related terms[edit]


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