mistake one thing for another; "you are confusing me with the other candidate"; "I mistook her for the secretary"
make unclear, indistinct, or blurred; "Her remarks confused the debate"; "Their words obnubilate their intentions"
make unclear or incomprehensible; "The new tax return forms only confuse"
be confusing or perplexing to; cause to be unable to think clearly; "These questions confuse even the experts"; "This question completely threw me"; "This question befuddled even the teacher"
cause to feel embarrassment; "The constant attention of the young man confused her"
slow to learn or understand; lacking intellectual acuity; "so dense he never understands anything I say to him"; "never met anyone quite so dim"; "although dull at classical learning, at mathematics he was uncommonly quick"- Thackeray; "dumb officials make some really dumb decisions"; "he was either normally stupid or being deliberately obtuse"; "worked with the slow students"
having high relative density or specific gravity; "dense as lead"
hard to pass through because of dense growth; "dense vegetation"; "thick woods"
permitting little if any light to pass through because of denseness of matter; "dense smoke"; "heavy fog"; "impenetrable gloom"