baffle
baf-fle
noun
A device designed to regulate or impede the flow of fluid, sound, or light.
"The sound baffle reduced the noise considerably."
verb
To completely confuse or perplex someone, making understanding difficult or impossible.
"The complex instructions baffled the new trainee."
Thesaurus
Synonyms: baffle board, puzzle, flummox, mystify, perplex, beat, get, vex, stick, dumbfound, pose, gravel