baffle [baf-uhl]: verb (used with object) 1. to confuse, bewilder, or perplex: He was baffled by the technical language of the instructions. 2. to frustrate or confound; thwart by creating confusion or bewilderment. 3. to check or deflect the movement of sound, light, fluids, etc.). 4. to equip with a baffle or baffles. 5. Obsolete . to cheat; trick.