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Word of the Day
Wednesday, April 08, 2015

Definitions for caustic

  1. severely critical or sarcastic: a caustic remark.
  2. capable of burning, corroding, or destroying living tissue.
  3. a caustic substance.

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Citations for caustic
Osborne reddened, and was on the point of letting fly some caustic remark on his father's dress at the present moment; but he contented himself with saying, in a low voice, "My mother always expected us all to dress for dinner…" Elizabeth Gaskell, Wives and Daughters, 1866
When he nonetheless somehow provoked it, her caustic tongue lashed him mercilessly. Early in their marriage he had learned that she neither forgave nor forgot. Mary Higgins Clark, On the Street Where You Live, 2001
Origin of caustic
1350-1400
Caustic has been in English since the 1300s. It comes from the Greek word kaustikós, meaning "burning."