floor

astonish, bowl over, dumbfound (also dumfound), flabbergast, freak (out), stun, stupefy

affright, alarm (also alarum), dismay, fright, frighten, horrify, panic, scare, scarify, spook, startle, terrify, terrorize

disgust, nauseate, repel, revolt, sicken, turn off

displease, offend, outrage, scandalize

amaze, astound, awe

chill, daunt, demoralize, dispirit, emasculate, undo, unman, unnerve, unstring

discomfort, discompose, disconcert, disquiet, distress, disturb, perturb, shake, unsettle, upset, weird out

crush, overpower, overwhelm

befuddle, bewilder, blindside, blow away, confound, confuse, daze, discomfit, disconcert, dismay, jar, muddle, nonplus, perplex, shake up

kayo, knock out, KO

overthrow, throw down, topple

bang, bash, belt, bludgeon, clobber, hammer, hit, jab, paste, poke, pound, punch, slam, slap, slog, slug, smack, smite, sock, swat, swipe, thump, thwack, wallop, whack, whale

deluge, drown, sink

confute, defeat, refute

break, demoralize, distress, disturb, rock, shatter, stagger, throw, unman, unnerve, upset