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1. Unpleasantly sharp, pungent, or bitter to the taste or smell. See Synonyms at bitter.
2. Caustic in language or tone: an acrid political campaign.

[From Latin ācer, sharp (probably modeled on acid); see ak- in Indo-European roots.]

a·crid′i·ty (ə-krĭd′ĭ-tē), ac′rid·ness n.
ac′rid·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acridness - extreme bitternessacridness - extreme bitterness; "the acridity of alkali"
bitter, bitterness - the property of having a harsh unpleasant taste
2.acridness - the quality of being sharply disagreeable in language or toneacridness - the quality of being sharply disagreeable in language or tone
disagreeableness - the quality of being disagreeable and unpleasant
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
For even when coming into slight contact with the outer, vapory shreds of the jet, which will often happen, your skin will feverishly smart, from the acridness of the thing so touching it.
For years I'd had the typical aubergine preparation in the form of dishes like Baba Ghanoush, and this dish thankfully lacked the acridness that I'd come to expect from so many canned and even homemade varieties.
I breathed in [the cigar's] acridness, what could I do against this?