acerbic Play adjective(especially of a comment or style of speaking) sharp and forthright. SYNONYMS abrasiveacrimoniousastringentbitingbittercausticcruelcuttingdevastatingharshhurtfulincisivekeenmaliciousmordantpenetratingpiercingpoisonousrazor-edgedsarcasticsardonicsatiricalscathingsearingseveresharpspitefulstingingtrenchantunkindvenomousviciousvirulentvitriolicwaspishwounding