(n.) A continuous composition, not divided into what are called movements, or governed by the ordinary rules of musical design, but in which the author's fancy roves unrestricted by set form.

arbitrariness bee boutade capriccio capriciousness carelessness characteristic conceit contrariety crank crankiness crotchet crotchetiness divertissement fancifulness fancy fantasia fantasticality foible freak freakishness habit heedlessness humor humoresque humorsomeness inconsiderateness inconsideration inconsistency maggot mannerism medley megrim mood moodiness motivelessness notion peculiarity perversity petulance potpourri quirkiness romance romanza temper temperamentalness thoughtlessness trait trick unthoughtfulness vagary vein whim whimsicality whimsicalness whimsy