<p><strong>Verb (used with object)</strong></p><ul><li>to confuse, bewilder, or perplex: He was baffled by the technical language of the instructions.</li><li>to frustrate or confound; thwart by creating confusion or bewilderment.</li><li>to check or deflect the movement of (sound, light, fluids, etc.).</li><li>to equip with a baffle or baffles.</li><li>Obsolete: to cheat; trick.</li></ul><p><strong>Noun</strong></p><ul><li>something that balks, checks, or deflects.</li><li>an artificial obstruction for checking or deflecting the flow of gases (as in a boiler), sounds (as in the loudspeaker system of a radio or hi-fi set), light (as in a darkroom), etc.</li><li>any boxlike enclosure or flat panel for mounting a loudspeaker.</li></ul>