1. (adj)astringent, astringent drug, styptic a drug that causes contraction of body tissues and canals Synonyms: styptic, astringent drug, astringent Antonyms: nonastringent
2. (adj)styptic, hemostatic tending to check bleeding by contracting the tissues or blood vessels Synonyms: styptic, hemostatic Antonyms: nonastringent