supererogatory

su·per·e·rog·a·to·ry  (spr--rg-tôr, -tr) also su·per·e·rog·a·tive (-tv)

adj.

1. Performed or observed beyond the required or expected degree.

2. Superfluous; unnecessary: "It was supererogatory for her to gloat" (Mary McCarthy).

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supererogatory [ˌsuːpərɛˈrɒgətərɪ -trɪ]

adj

1. performed to an extent exceeding that required or expected

2. exceeding what is needed; superfluous

3. (Christianity / Roman Catholic Church) RC Church of, characterizing, or relating to prayers, good works, etc., performed over and above those prescribed as obligatory

[from Medieval Latin superērogātōrius; see supererogate]

supererogatorily  adv

Thesaurus

Adj.

1.

supererogatory - 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" excess, extra, redundant, supernumerary, surplus, spare, superfluous unnecessary, unneeded - not necessary