Unpleasantly sharp, pungent, or bitter to the taste or smell. See Synonyms at bitter.(adjective)
Caustic in language or tone.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "acrid" in a sentence
"This bacon tastes intensely smoky, the sort that comes only from long exposure to cool wood smoke, and not of meat soaked in acrid liquid smoke flavoring."
"I hasten to spit it out, but all day my lips are still hot and acrid from the brief experiment."
"It was more a thing of his head than his heart, revealing itself mainly in short, acrid speeches, meant to be clever, and indubitably disagreeable."