[1] : The Collaborative International Dictionary of English v.0.48

acrid \ac"rid\, a. l. acer sharp; prob. assimilated in form to
   acid. see eager.
   1. sharp and harsh, or bitter and not, to the taste; pungent;
      as, acrid salts.
      1913 webster

   2. causing heat and irritation; corrosive; as, acrid
      secretions.
      1913 webster

   3. caustic; bitter; bitterly irritating; as, acrid temper,
      mind, writing.
      1913 webster

   acrid poison, a poison which irritates, corrodes, or burns
      the parts to which it is applied.
      1913 webster acridity
see also:
eager acrid poison 

[2] : WordNet (r) 2.0

acrid
     adj 1: strong and sharp; "the acrid smell of burning rubber"
     2: harsh or corrosive in tone; "an acerbic tone piercing
        otherwise flowery prose"; "a barrage of acid comments";
        "her acrid remarks make her many enemies"; "bitter words";
        "blistering criticism"; "caustic jokes about political
        assassination, talk-show hosts and medical ethics"; "a
        sulfurous denunciation" syn: acerb, acerbic, acid,
        bitter, blistering, caustic, sulfurous, sulphurous,
         venomous, virulent, vitriolic
see also:
acerb acerbic acid bitter blistering caustic 
sulfurous sulphurous venomous virulent vitriolic 

[3] : Moby Thesaurus II by Grady Ward, 1.0

86 moby thesaurus words for "acrid":
   acerb, acerbate, acerbic, acid, acidic, acidulent, acidulous,
   acrimonious, acute, amaroidal, antagonistic, antipathetic,
   asperous, astringent, austere, belligerent, biting, bitter,
   bitter as gall, caustic, clashing, cloying, coarse, colliding,
   conflicting, corroding, corrosive, cutting, despiteful,
   double-edged, edged, escharotic, featheredged, fierce, fine,
   full of hate, hard, harsh, hateful, hostile, incisive, irritating,
   keen, keen-edged, knifelike, malevolent, malicious, malignant,
   mordacious, mordant, nose-tickling, oversweet, penetrating,
   piercing, piquant, poignant, pungent, quarrelsome, rancorous,
   razor-edged, repugnant, rigorous, rough, saccharine, scathing,
   scorching, set, set against, severe, sharp, sore, sour, spiteful,
   stabbing, stinging, strident, stringent, tart, trenchant,
   two-edged, vehement, venomous, violent, virulent, vitriolic,
   withering

Acrid >> A Words
Acrid, definition of term: Acrid
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