glamPronunciation: /glam/ informalDefinition of glam adjective glamorous:a dapper magician and his glam assistant relating to or denoting glam rock: some awful glam number from the mid seventies noun [mass noun] glamour:Nigel, for all his glam, was Karen’s sort glam rock: punk, glam, and psychedelia verb (glams, glamming, glammed) (glam up or glam someone up) make oneself or someone else look glamorous: [with object]:the girls get glammed up for a night on the townOrigin: 1930s: abbreviationglam in other Oxford dictionaries Definition of glam in the US English dictionary