Facetious vs. Sarcasm — What's the Difference?

Playfully jocular; humorous

Sarcasm is the use of words usually used to either mock or annoy someone, or for humorous purposes. Sarcasm may employ ambivalence, although it is not necessarily ironic.

Treating serious issues with (often deliberately) inappropriate humour; flippant.

A cutting, often ironic remark intended to express contempt or ridicule.

Pleasantly humorous; jocular.

A form of wit characterized by the use of such remarks

Of an idea or statement, humorously silly or counterproductive for the purpose of sarcastically advocating the opposite.

(uncountable) Use of acerbic language to mock or convey contempt, often using irony and (in speech) often marked by overemphasis and a sneering tone of voice.

Given to wit and good humor; merry; sportive; jocular; as, a facetious companion.

(countable) An act of sarcasm.

Characterized by wit and pleasantry; exciting laughter; as, a facetious story or reply.

A keen, reproachful expression; a satirical remark uttered with some degree of scorn or contempt; a taunt; a gibe; a cutting jest.

Cleverly amusing in tone;

Witty language used to convey insults or scorn;