Sarcasm

Sarcasm is the caustic use of words, often in a humorous way, to mock someone or something. Sarcasm may employ ambivalence, and is also commonly associated with, though it does not necessarily contain, irony. Most noticeable in speech, sarcasm is mainly distinguished by the inflection with which it is spoken or, with an undercurrent of irony, by the extreme disproportion of the comment to the situation, and is largely context-dependent.

The word comes from the Ancient Greek σαρκασμός (sarkasmós) which is taken from σαρκάζειν (sarkázein) meaning "to tear flesh, bite the lip in rage, sneer".

It is first recorded in English in 1579, in an annotation to The Shepheardes Calender by Edmund Spenser:

Tom piper, an ironicall Sarcasmus, spoken in derision of these rude wits, whych ...

However, the word sarcastic, meaning "Characterized by or involving sarcasm; given to the use of sarcasm; bitterly cutting or caustic", does not appear until 1695.

In its entry on irony, Dictionary.com describes sarcasm thus:

In sarcasm, ridicule or mockery is used harshly, often crudely and contemptuously, for destructive purposes. It may be used in an indirect manner, and have the form of irony, as in "What a fine musician you turned out to be!," "It's like you're a whole different person now...," and "Oh... Well then thanks for all the first aid over the years!" or it may be used in the form of a direct statement, "You couldn't play one piece correctly if you had two assistants." The distinctive quality of sarcasm is present in the spoken word and manifested chiefly by vocal inflection ...

Distinguishing sarcasm from banter, and referring to the use of irony in sarcasm, linguist Derek Bousfield writes that sarcasm is: