caustic

/ˈkɔstɪk/
noun
  1. A substance that can burn or destroy organic tissue.
    • Spills of caustics must be neutralized immediately.
    • The factory uses caustics to clean industrial equipment.
    • Workers are trained to handle caustics safely.
adjective
  1. Able to burn or destroy living tissue by chemical action; strongly acidic or alkaline.
    • Always wear gloves when handling caustic cleaning products.
    • The caustic chemical burned a hole in the metal tray.
    • The lab stored caustic substances in special containers.
  2. Sarcastic and critical in a sharp, hurtful way.
    • The critic's caustic review destroyed the movie's reputation.
    • Her caustic remarks made everyone in the room uncomfortable.
    • He has a caustic sense of humor that some people find offensive.
Antonyms
What does "caustic" mean? | whatsthatwordmean | whatsthatwordmean