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Definitions of caustic
  1. adjective
    of a substance, especially a strong acid; capable of destroying or eating away by chemical action
  2. adjective
    harsh or corrosive in tone
    "caustic jokes about political assassination, talk-show hosts and medical ethics"
  3. noun
    any chemical substance that burns or destroys living tissue
Examples of caustic
  • "caustic jokes about political assassination, talk-show hosts and medical ethics"
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