in stant (ˈɪn stənt) n. 1. an infinitesimal or very short space of time; moment. 2. the point of time now present: Come here this instant! 3. a particular moment: at the instant of contact. 4. an instant beverage or other product, esp. instant coffee.

An instant is a very short time. In combinations like instant coffee and instant replay it means available right away without a wait.

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noting a food or beverage requiring a minimal amount of time and effort to prepare, as by heating or the addition of milk or water, before being served or used: instant coffee; instant pudding.

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The meaning of INSTANT is an infinitesimal space of time; especially : a point in time separating two states. How to use instant in a sentence.

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INSTANT definition: an infinitesimal or very short space of time; a moment. See examples of instant used in a sentence.

INSTANT meaning: 1. happening immediately, without any delay: 2. Instant food or drink is dried, usually in the…. Learn more.

If you say that something happens at a particular instant, you mean that it happens at exactly the time you have been referring to, and you are usually suggesting that it happens quickly or immediately.