The meaning of DRAIN is to draw off (liquid) gradually or completely. How to use drain in a sentence. Synonym Discussion of Drain.

If you drain something, you remove the liquid from it, usually by pouring it away or allowing it to flow away, and if something drains, liquid flows away or out of it:

DRAIN definition: to withdraw or draw off (a liquid) gradually; remove slowly or by degrees, as by filtration. See examples of drain used in a sentence.

To or into the condition of being wasted or lost: All of our best laid plans are down the drain.

Look up drain in Wiktionary, the free dictionary.

Jan 11, 2026 · Noun drain (plural drains) (chiefly US, Canada) A conduit allowing liquid to flow out of an otherwise contained volume; a plughole (UK)

drain /dreɪn/ v. to empty by drawing off liquid: [~ + object] to drain a swamp. [~ + object (+ of + object)] Drain the wound (of blood) before you apply the bandage. [no object] The crankcase has to drain …

Drain definition: To draw off (a liquid) by a gradual process.

If you say that something is a drain on an organization's finances or resources, you mean that it costs the organization a large amount of money, and you do not consider that it is worth it.

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