or

Universal Words conjunction 1 used to introduce another possibility: Is your sister older or younger than you? * Are you coming or not? * Is it a boy or a girl? * It can be black, white or grey. compareEITHER...OR... 2 used in negative sentences when mentioning two or more things: He can't read or write. * There are people without homes, jobs or family. compareNEITHER...NOR... 3 (also or else) used to warn or advise sb that sth bad could happen; otherwise: Turn the heat down or it'll burn. 4 used between two numbers to show approximately how many: There were six or seven of us there. 5 used to introduce a word or phrase that explains or means the same as another: geology, or the science of the earth's crust * It weighs a kilo, or just over two pounds. 6 used to say why sth must be true: He must like her, or he wouldn't keep calling her. 7 used to introduce a contrasting idea: He was lying-or was he? IDIOMS or so about: It'll cost ｣100 or so. or somebody / something / somewhere