something puzzling; a puzzling question, matter, or person.
3. a puzzled or perplexed condition; bewilderment.
–verb (used with object) . to put (someone) at a loss; mystify; confuse; baffle: Her attitude puzzles me.
. to frustrate or confound, as the understanding; perplex: The problem puzzled him for weeks.
. to exercise (oneself, one's brain, etc.) over some problem or matter.