earnest
Gegenteile:
frivolous, purposeless, insincere, apathetic, cool, indifferent, regardless, unconcerned, calm, dispassionate, negligent, stolid, uninterested, careless, frigid, phlegmatic, stony, unmindful, cold, heedless, stupid, unmoved, antic, comic, comical, droll, farcical, funny, hilarious, hysterical, laughable, light, light-headed, ludicrous, ridiculous, riotous, risible, screaming, sidesplitting, uproarious, featherbrained, flighty, goofy, harebrained, lighthearted, puerile, scatterbrained, absurd, asinine, balmy, brainless, cockeyed, crazy, cuckoo, daffy, daft, dotty, fatuous, foolish, half-witted, insane, jerky, kooky, loony, lunatic, mad, nonsensical, nutty, preposterous, sappy, screwball, senseless, silly, unwise, wacky, weak-minded, witless, zany, facetious, flip, flippant, humorous, jesting, jocular, joking, kittenish, ludic, playful, adulatory, birdbrained, blithe, carefree, chucklesome, clever, cockamamy, coltish, comedic, cute, debonair, derisive, derisory, devil-may-care, dishonest, ditzy, dizzy, elfish, fay, frisky, frolicsome, frothy, fulsome, futile, giddy, gushing, gushy, hagiographic, happy-go-lucky, humoristic, insouciant, jest, larky, light-minded, lying, mendacious, oily, oleaginous, pathetic, pert, play, rollicking, slaphappy, smart, smart aleck, smart-alecky, smart-ass, smart-assed, smarty-pants, soapy, sport, sportful, sportive, unctuous, untruthful, wise, wiseass, witty, yeasty,