of, having the nature of or characterised by, sarcasm; sneering, caustic, cutting, etc.; sarcastic.

the act of sneering, making caustic remark (esp. indirectly).

a taunting, sneering, cutting or caustic remark; sarcasm.

(rhet.) the suggested or implied meaning as diff. from the literal meaning.

irony that is inherent in speeches or a situation of a drama and is understood by the audience but not grasped by the characters in the play.