or
or1 / ôr/ • conj. 1. used to link alternatives: a cup of tea or coffee are you coming or not? she couldn't read or write I either take taxis or walk everywhere it doesn't matter whether the theory is right or wrong.2. introducing a synonym or explanation of a preceding word or phrase: the espionage novel, or, as it is known in the trade, the thriller.3. otherwise (used to introduce the consequences of something not being done or not being the case): hurry up, or you'll miss it all.4. introducing an afterthought, usually in the form of a question: John's indifference—or was it?—left her unsettled.5. poetic/lit. either: to love is the one way to know or God or man.• n. (often OR) Electr. a Boolean operator that gives the value one if at least one operand (or input) has a value of one, and otherwise has a value of zero. ∎ (also OR gate) a circuit that gives an output signal if there is a signal on any of its inputs.PHRASES: or else see else.or so (after a quantity) approximately: a dozen or so people.or2 • n. gold or yellow, as a heraldic tincture: a bend or.