ROGET THESAURUS
wild-goose chase
Caprice
N
caprice, fancy, humor, whim, whimsy, whimsey, whimwham, crotchet, capriccio, quirk, freak, maggot, fad, vagary, prank, fit, flimflam, escapade, boutade,
wild-goose chase, capriciousness, kink, capricious, erratic, eccentric, fitful, hysterical, full of whims, maggoty, inconsistent, fanciful, fantastic, whimsical, crotchety, kinky, particular, humorsome, freakish, skittish, wanton, wayward, contrary, captious, arbitrary, unconformable, penny wise and pound foolish, fickle, frivolous, sleeveless, giddy, volatile, by fits and starts, without rhyme or reason, nil fuit unquain sic inipar sibi, the deuce is in him.