supererogatory

[ soo-per-uh-rog-uh-tawr-ee, -tohr-ee ]
/ ˌsu pər əˈrɒg əˌtɔr i, -ˌtoʊr i /

adjective

going beyond the requirements of duty.
greater than that required or needed; superfluous.

Origin of supererogatory

From the Medieval Latin word superērogātōrius, dating back to 1585–95. See supererogate, -tory1
Related formssu·per·e·rog·a·to·ri·ly, adverb
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Examples from the Web for supererogatory

British Dictionary definitions for supererogatory

supererogatory

/ (ˌsuːpərɛˈrɒɡətərɪ, -trɪ) /

adjective

performed to an extent exceeding that required or expected
exceeding what is needed; superfluous
RC Church of, characterizing, or relating to prayers, good works, etc, performed over and above those prescribed as obligatory
Derived Formssupererogatorily, adverb

Word Origin for supererogatory

C16: from Medieval Latin superērogātōrius; see supererogate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012