joker

1 a person (as a writer) noted for or specializing in humor he's the joker of the family, always making us laugh Synonyms card, comedian, comic, droll, farceur, funnyman, gagger, gagman, gagster, jester, humorist, jokester, wag, witRelated Words comedienne, entertainer; banterer, cutup, kidder, knockabout, practical joker, prankster, quipper, quipster, teaser, wisecracker; buffoon, clown, fool, harlequin, zany; caricaturist, lampooner, parodist, satirist

2 a person whose behavior is offensive to others just ignore that joker and his rude comments Synonyms bastard, beast, bleeder [British], blighter [chiefly British], boor, bounder, bugger, buzzard, cad, chuff, churl, clown, creep, cretin, crud [slang], crumb [slang], cur, dirtbag [slang], dog, fink, heel, hound, jerk, louse, lout, pill, rat, rat fink, reptile, rotter, schmuck [slang], scum, scumbag [slang], scuzzball [slang], skunk, sleaze, sleazebag [slang], sleazeball [slang], slime, slimeball [slang], slob, snake, so-and-so, sod [chiefly British], stinkard, stinker, swine, toad, varmint, verminRelated Words barbarian, brute, caveman, Neanderthal, savage; loudmouth, vulgarian; lowlife, miscreant, rascal, rogue, roughneck, scab, scamp, scoundrel, villain, wretch; booby, doofus [slang], fool, jackass, nincompoop, ninny, nit [chiefly British], nitwit, nut, schmo (or schmoe) [slang]; airhead, birdbrain, blockhead, dink [slang], dolt, dope, dork [slang], goon, half-wit, idiot, imbecile, moron, turkey; brat, insolent, nuisance, pest, snip; snob, snoot, snot; dweeb [slang], nerdNear Antonyms hero, heroine, idol, role model; gentleman, lady; angel, saint

3 an adult male human being sat at the bar next to some poor joker who had just lost his job Synonyms bastard, bloke [chiefly British], buck, cat, chap [chiefly British], chappie [British], dude, fella, fellow, galoot [slang], gent, gentleman, guy, hombre, jack, joe, man, lad, maleRelated Words master, mister, sir; buddy, buster

4 a danger or difficulty that is hidden or not easily recognized read the contract carefully before signing to make sure there aren't any jokers Synonyms booby trap, catch, catch-22, gimmick, gotcha, hitch, pitfall, land mine, snagRelated Words snare, trap, trip wire, web; hazard, peril, risk; bomb, bombshell, kicker, surprise (also surprize); bait, decoy, lure