throw into great confusion or disorder; "Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt"
disturb in mind or make uneasy or cause to be worried or alarmed; "She was rather perturbed by the news that her father was seriously ill"
cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull; "The orbits of these stars were perturbed by the passings of a comet"
disturb or interfere with the usual path of an electron or atom; "The electrons were perturbed by the passing ion"
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"
a dialect of Middle English that developed into Scottish Lallans
situated in or coming from regions of the north; "the northern hemisphere"; "northern autumn colors"
in or characteristic of a region of the United States north of (approximately) the Mason-Dixon line; "Northern liberals"; "northern industry"; "northern cities"