'flummox' definitions:

Definition of 'flummox'

(from WordNet)
verb
Be a mystery or bewildering to; "This beats me!"; "Got me-- I don't know the answer!"; "a vexing problem"; "This question really stuck me" [syn: perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, nonplus, gravel, amaze, dumbfound]