Noun Definitionvacuum1.Definition: a region that is devoid of matterRelated Noun(s):vacuityCategory: Places2.Definition: an electrical home appliance that cleans by suctionCategory: Objects3.Definition: an empty area or space"The huge desert voids", "The emptiness of outer space", "Without their support he'll be ruling in a vacuum"Related Noun(s):emptiness, vacancy, voidCategory: General4.Definition: the absence of matterRelated Noun(s):vacuityCategory: General