Using words to express something other than and especially the opposite of their literal meaning, often for humorous or emphatic effect. "Lovely weather," he said in an ironic tone as hail battered the roof.
Happening in a way contrary to what is expected, and typically causing wry amusement because of this. It was ironic that the teacher who always emphasized punctuality was late to the meeting.
Displaying or characterized by irony or mockery in manner or attitude; sarcastic. She gave him an ironic smile before turning away.