Noun

• S: (n) baffle, baffle board (a flat plate that controls or directs the flow of fluid or energy)

Verb

• S: (v) perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, nonplus, gravel, amaze, dumbfound (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"
• S: (v) thwart, queer, spoil, scotch, foil, cross, frustrate, baffle, bilk (hinder or prevent (the efforts, plans, or desires) of) "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent"
• S: (v) baffle, regulate (restrain the emission of (sound, fluid, etc.))