Caustic

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The term caustic refers to the destructive action of alkaline-based chemicals such as lye. These types of chemicals destroy animal tissue by a type of "melting" action. Caustic can also be an adjective for something verbal that is derisive, biting, abrasive, or sarcastic.

For example: "The other dinner party attendees found the man's caustic humor to be off-putting and inappropriate."