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1. to join this party or side; to change sides or affiliation. Tom was formerly an enemy spy, but last year he came over. I thought that Bill was a Republican. When did he come over?
2. to come for a visit. See if Ann wants to come over. I can't come over to visit now. I'm busy.
come over someone
[for something] to affect a person, perhaps suddenly. (See also come over someone or something.) I just don't know what came over me. Something came over her just as she entered the room.
come over someone or something
to move over and above someone or something. (See also come over someone.) A cloud came over us and rained like fury. Darkness came over the city and streetlights blinked on.
come over somebody
to change or influence someone's behavior No one knows what came over Bill, but he stopped smoking.
1. Change sides or positions, as in He's decided to come over to their side. [Second half of 1500s]
2. Happen to or affect, as in Why are you leaving? What's come over you? or A sudden fit of impatience came over her. [First half of 1900s]
3. Pay a casual visit, as in I want to show you my garden, so please come over soon. This usage employs come over in the sense of "crossing an intervening space" (from somewhere to one's home). [c. 1600]
1. To arrive somewhere by crossing something: The settlers came over the bridge.
2. To change sides in a conflict or argument: After hearing our speech, the group came over to our side and voted for us.
3. To pay a casual visit: Come over for lunch tomorrow.
4. To influence or overwhelm someone strongly but temporarily, without that person being conscious of it: Something came over me, and I lost my patience for a while.