Acrid
/ˈæk.ɹɪd/
adjective
Sharp and harsh, or bitter and not to the taste.
“Sodium polyacrylate is an acrid salt.”
Causing heat and irritation.
“The bombardier beetle sprays acrid secretions to defend itself.”
Caustic; bitter; bitterly irritating.
“That man has an acrid temper.”
Synonyms: acerbic, acrimonious, acrimonious, pungent, corrosive