Meaning of extra

(adj) more than is needed, desired, or required; "trying to lose excess weight"; "found some extra change lying on the dresser"; "yet another book on heraldry might be thought redundant"; "skills made redundant by technological advance"; "sleeping in the spare room"; "supernumerary ornamentation"; "it was supererogatory of her to gloat"; "delete superfluous (or unnecessary) words"; "extra ribs as well as other supernumerary internal parts"; "surplus cheese distributed to the needy"

added to a regular schedule; "a special holiday flight"; "put on special buses for the big game"

further or added; "called for additional troops"; "need extra help"; "an extra pair of shoes"

(adv) unusually or exceptionally; "an extra fast car"

(noun) a minor actor in crowd scenes

an additional edition of a newspaper (usually to report a crisis)

something additional of the same kind; "he always carried extras in case of an emergency"