Word Study
flummox
OXFORD DICTIONARY
flummox, v.tr. colloq. bewilder, confound, disconcert.
Etymology
19th c.: prob. dial., imit.
THESAURUS
flummox
abash, addle, addle the wits, baffle, balk, ball up, becloud, bedazzle, befuddle, bewilder, blast, bomb, bother, brave, bug, challenge, checkmate, circumvent, cloud, confound, confront, confuse, contravene, counter, counteract, countermand, counterwork, crap out, cross, dash, daze, dazzle, deceive, defeat, defy, destroy, discombobulate, discomfit, discompose, disconcert, discountenance, dish, dismay, disorganize, disorient, disrupt, disturb, draw a blank, drop a bomb, drop the ball, elude, embarrass, entangle, fan, flop, flurry, fluster, flutter, fog, foil, fold, fold up, fox, frustrate, fuddle, fuss, get left, hoodwink, knock the chocks, lay an egg, lose out, maze, mist, mix up, moider, muddle, mystify, nonplus, not hack it, not make it, perplex, perturb, pother, put out, puzzle, raise hell, rattle, ruffle, ruin, sabotage, scotch, spike, spoil, stonewall, strike out, stump, stymie, take the count, throw into confusion, thwart, unsettle, upset, wash out, whiffFor further exploring for "flummox" in Webster Dictionary Online