Sharp and harsh or unpleasantly pungent in taste or odour: Irritating. (Merriam – Webster)
Deeply or violently bitter: Acrimonious. (Merriam – Webster)
An acrid smell or taste is strong and bitter and causes a burning feeling in the throat. (Cambridge Dictionary)
An acrid smell or taste is strong and sharp, and usually unpleasant. (Collins Dictionary)
Unpleasantly bitter or pungent. (Oxford Dictionaries)
Acid and acrid foods in the pH phenomenon diet.
Acrid Smoke From Raging Wildfires Hazardous To Those With Lung, Heart Diseases, National Jewish Physician Says.