Acrid

1. Sharp and harsh, or bitter and not to the taste. quotations ▼Synonyms: pungent, (archaic) acrimoniousAntonyms: delectable, delicious, tasteful
2. Causing heat and irritation.Synonym: corrosive
3. (figuratively) Caustic; bitter; bitterly irritating. Synonyms: acerbic, acrimonious