Sarcastic (adjective)

1. Making statements that are not meant to be taken seriously, often for the purpose of irony or humor.
2. Expressing the opposite of what is meant, often in a humorous way.
3. Making a remark that is not meant to be taken seriously, but rather to mock or make a point.

Origin:

From late 16th century, from french sarcastique, or via latin sarcasmus, from greek sarkasmos, from sarkazein ("to speak bitterly, sneer"), from sarx ("flesh").

Examples:

1. He was known for his sarcastic wit.
2. She gave a sarcastic reply to the question.
3. The comedian's sarcastic humor was well received by the audience.
4. He had a sarcastic tone when he said "great idea".
5. The comment was meant to be sarcastic.