to confuse and deject; disconcert: to be discomfited by a question.
2.
to frustrate the plans of; thwart; foil.
3.
Archaic.to defeat utterly; rout: The army was discomfited in every battle.
noun
4.
Archaic.rout; defeat.
Origin: 1175–1225;Middle English < Anglo-Frenchdescunfit,Old Frenchdesconfit, past participle of desconfire, equivalent to des-dis-1 + confire to make, accomplish < Latinconficere; see confect
early 13c., from O.Fr. desconfit, pp. of desconfire "to defeat, destroy," from des- "not" + confire "make, prepare, accomplish." Weaker sense of "disconcert" is first recorded 1520s in English, probably by confusion with discomfort. Related: Discomfited.