frump, n. (Colloq.) [gossip].
frustrate, v. [baffle], [defeat], [disappoint], [foil], [balk], [thwart], circumvent, [nullify].
frustration, n. [defeat], [disappointment], balking, foiling, [nullification].
frying-pan, n. [spider], skillet.
fuddled, a. [muddled], tipsy, [drunk], intoxicated, boozy, groggy.
fudge, n. See balderdash.
fuel, n. combustibles.
fugitive, a. fleeing; evanescent, [short-lived], fugacious, [volatile], ephemeral, impermanent, [transient].
fugitive, n. [runaway], [runagate], [renegade], [deserter].
fulfill, v. [accomplish], [complete], [consummate], [realize], [satisfy], [fill], [answer], [meet]; [discharge], [perform].