Caustic was formed in Middle English as an adjective describing chemical substances, such as lime and lye, that are capable of destroying or eating away at something. The word is based on the Latin …

CAUSTIC definition: capable of burning, corroding, or destroying living tissue. See examples of caustic used in a sentence.

Use the adjective caustic to describe any chemical that is able to burn living tissue or other substances, or, figuratively, a statement that has a similarly burning effect.

Caustic means able to burn through things. Because the toxic agents are also caustic, they degrade their containers, so they aren't loaded until just prior to use. It was a celebration of taping that had a …

Caustic (mathematics), the envelope of rays reflected or refracted by a manifold Caustic (optics), optic phenomenon due to light rays reflecting/refracting through curved surfaces/objects

Definition of caustic adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A caustic remark is extremely critical, cruel, or bitter. His abrasive wit and caustic comments were an interviewer's nightmare. He was often caustic and mocking, or flew into rages. She was caustically …

Nov 19, 2025 · Capable of burning, corroding or destroying organic tissue. "How now!" said Scrooge, caustic and cold as ever. The Secretary and the Assistant-Secretaries would say little caustic things …

capable of burning, corroding, or destroying living tissue. severely critical or sarcastic: a caustic remark. n. a caustic substance. See caustic curve. See caustic surface. caus•tic•i•ty (kô stis′ i tē), …

CAUSTIC meaning: 1 : able to destroy or burn something by chemical action; 2 : very harsh and critical