Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun excess
4 senses of excess
Sense 1
excess, surplus, surplusage, nimiety -- (a quantity much larger than is needed)
=> overabundance, overmuch, overmuchness, superabundance -- (a quantity that is more than what is appropriate; "four-year-olds have an overabundance of energy"; "we received an inundation of email")
Sense 2
excess, excessiveness, inordinateness -- (immoderation as a consequence of going beyond sufficient or permitted limits)
=> immoderation, immoderateness -- (the quality of being excessive and lacking in moderation)
Sense 3
surfeit, excess, overabundance -- (the state of being more than full)
=> fullness -- (the condition of being filled to capacity)
Sense 4
overindulgence, excess -- (excessive indulgence; "the child was spoiled by overindulgence")
=> indulgence, indulging, pampering, humoring -- (the act of indulging or gratifying a desire)
Antonyms of adj excess
1 sense of excess
Sense 1
excess, extra, redundant, spare, supererogatory, superfluous, supernumerary, surplus -- (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")
INDIRECT (VIA unnecessary) -> necessary -- (absolutely essential)
Similarity of adj excess
1 sense of excess
Sense 1
excess, extra, redundant, spare, supererogatory, superfluous, supernumerary, surplus -- (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")
=> unnecessary (vs. necessary), unneeded -- (not necessary)