baffling

(verb) be a mystery or bewildering to. Synonyms: perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, nonplus, gravel, amaze, dumbfound. Examples: "This beats me!." "Got me--i don't know the answer!." "A vexing problem." "This question really stuck me."

(verb) hinder or prevent (the efforts, plans, or desires) of. Synonyms: thwart, queer, spoil, scotch, foil, cross, frustrate, baffle, bilk. Examples: "What ultimately frustrated every challenger was ruth's amazing september surge." "Foil your opponent."

(verb) check the emission of (sound). Synonyms: baffle, regulate.

(adj) making great mental demands; hard to comprehend or solve or believe. Synonyms: elusive, knotty, problematic, problematical, tough. Examples: "A baffling problem." "I faced the knotty problem of what to have for breakfast." "A problematic situation at home."