alloy /ˈæ.lɔɪ/noun 4/əˈlɔɪ/ verb 3forms 3 noun4 •A metal that is a combination of two or more elements, at least one of which is a metal, a base metal. •(figurative) A fusion, marriage or combination. •An admixture; something added which stains, taints etc.Metrodorus said that in sadnesse there is some aloy of pleasure. — 1603 •(no longer used) A metal of lesser value, mixed with a metal of greater value. alloy /əˈlɔɪ/ verb3 •To mix or combine; often used of metals. •To reduce the purity of by mixing with a less valuable substance. •(figurative) To impair or debase by mixture. formsalloyed · alloying · alloys