flummox

to throw into a state of mental uncertainty an actor who's easily flummoxed by any changes in the script Synonyms addle, baffle, bamboozle, beat, befog, befuddle, bemuse, bewilder, buffalo, confound, discombobulate, disorient, confuse, fox, fuddle, get, gravel, maze, muddle, muddy, mystify, perplex, pose, puzzle, vexRelated Words stick, stump, weird out; abash, discomfit, disconcert, discountenance, embarrass, faze, fluster, mortify, nonplus, rattle; agitate, bother, chagrin, discomfort, discompose, dismay, disquiet, distress, disturb, perturb, stun, unhinge, unsettle, upset; beguile, cozen, deceive, delude, dupe, fool, gull, hoax, hoodwink, humbug, misguide, mislead, snow, string along, take in, trickNear Antonyms assure, reassure, satisfy; enlighten, inform