slap

1 a hard strike with a part of the body or an instrument doctors used to give newborns a light slap to get them to start breathing Synonyms bang, bash, bat, beat, belt, biff, bop, box, buffet, bust, chop, clap, clip, clout, crack, cuff, dab, douse [British], fillip, hack, haymaker, hit, hook, knock, larrup [dialect], lash, lick, pelt, pick, plump, poke, pound, punch, rap, slam, blow, slug, smack, smash, sock, spank, stinger, stripe, stroke, swat, swipe, switch, thud, thump, thwack, wallop, welt, whack, wham, whop (also whap)Related Words counter, counterblow, counterpunch, counterstroke; body blow, hand, kick, knee, left, one-two, rabbit punch, right, right-hander, roundhouse, shiver, sidewinder, sucker punch, swing, uppercut; cruncher, kayo, knockdown, knockout, KO; bastinado (or bastinade), battering, beating, bludgeoning, clobbering, cudgeling (or cudgelling), drubbing, hammering, lambasting, licking, pasting, pounding, pummeling (also pummelling), thrashing; flogging, walloping, whip, whipping

2 an act or expression showing scorn and usually intended to hurt another's feelings that comment is a slap to anyone who has ever served in the military Synonyms affront, barb, brickbat, cut, dart, dig, dis (also diss) [slang], epithet, gird, indignity, name, offense (or offence), outrage, personality, poke, put-down, sarcasm, insult, slight, slurRelated Words catcall, gibe (or jibe), jeer, mock, quip, sneer, taunt; abuse, invective, vituperation; disapproval, opprobrium; disgrace, dishonor, shame; attack, criticism, knock, slam, swipe; torment, tortureNear Antonyms accolade, commendation, compliment; acclaim, applause, praise; adulation, flattery