Also found in: Thesaurus, Medical.
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.
a·crid′i·ty (ə-krĭd′ĭ-tē), ac′rid·ness n.
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.