come over verb 4come-over noun 1forms 4 verb4 •To change one's position or location, especially to someone else's home or to an opposing side in competition or conflict.You'll soon come over to my way of thinking: welcome to the dark side.He'll come over if we guarantee him a seat on the board. •To affect in a sudden, unprecedented or surprising manner; to overwhelm a person's ordinarily contrary impulse.I apologise for my behaviour last night. I don't know what came over me. •(informal) To seem; to come to express a feeling or state.That's why he's come over strange. •(slang, old-fashioned) To deceive or get the better of; overreach.Some fine day we may have the country raised, and the gendarmes down upon us from Strasburg, and all owing to your pretty doll, with her cunning ways of coming over you. — 1861 come-over noun1 •Synonym of comeover. formscame over · coming over · comes over · come-overs