Supererogative

The gift no longer becomes a supererogative act given to a powerful person subject to the problems of celebrity; it becomes appropriate to a moral principle that is more difficult to criticize. ❋ Unknown (2009)

Its use is provocative but supererogative, a challenge to philosophers who place a priori constraints on what is to count as knowledge. ❋ Barber, Alex (2004)

"That was last October," he answered with a sing-song weariness suggestive of impatience at such supererogative explanations. ❋ Arthur Stringer (1912)

_Abigail_ had any relation to the Lady Masham, is, therefore, quite supererogative -- but I may go farther. ❋ Various (1852)

The second line is supererogative in syllables, whether from the oscitancy of the transcriber, or from the trepidation which might have overpowered the modest Frenchman, on finding himself in the act of writing to so 'great' a man, I shall not dare to determine. ❋ Samuel Taylor Coleridge (1803)

Yet a supererogative ear and superior taste excuse the worst execesses of cherry-pick pastiche. ❋ Unknown (2009)

Summer's almost over, and the summer supererogative will soon mercifully come to end. ❋ Unknown (2008)