thunderstrike

to make a strong impression on (someone) with something unexpected <everyone was thunderstruck when she quit her job without warning> Synonyms amaze, astonish, astound, bowl over, dumbfound (also dumfound), flabbergast, floor, rock, shock, startle, stun, stupefy, surpriseRelated Words befuddle, bewilder, blindside, blow away, confound, confuse, daze, discomfit, disconcert, dismay, jar, muddle, nonplus, perplex, shake up