To lay down; cause to lie; lay: as, to allay the dust.To lay aside; set aside; suppress; annul.To put down; humble; overthrow.To put down; quiet; assuage; pacify, appease, calm, as a commotion of the elements, or, figuratively, civil commotions, mental excitement, or an agitated person.To abate, mitigate, or subdue; relieve or alleviate: as, to allay misery or pain; to allay the bitterness of affliction.Synonyms Alleviate, Relieve, Mitigate, Assuage, Allay (see alleviate), calm, quiet, soothe, compose, still, lull, tranquilize, check, repress, soften, ease, moderate.To abate; subside; grow calm.n. That which allays, lightens, or alleviates.To mix, as metals; especially, to mix a nobler with a baser metal; alloy. See alloy, v., I.Figuratively, to mix with something inferior; contaminate or detract from.To temper; abate or weaken by mixture; dilute, as wine with water; weaken; diminish.n. The act or process of alloying; an alloy.n. Figuratively, admixture, especially of something inferior.n. Mixture; dilution.To cite; quote; allege.n. In hunting, the act of laying on the hounds; the addition of fresh hounds to the cry.