supererogatory
su.per.erog.a.to.ry \.su:-p*-ri-'ra:g-*-.to-r-e-, -.to.r-\ aj 1: observed
or performed to an extent not enjoined or required 2: SUPERFLUOUS,
NONESSENTIAL N mean done without need or compulsion or warrant.
SUPEREROGATORY implies a giving above what is required by rule and may
suggest adding something not needed or not wanted; GRATUITOUS usu. applies
to something offensive or unpleasant given or done without provocation;
UNCALLED-FOR adds to GRATUITOUS implication of impertinence or logical
absurdity; WANTON implies not only a lack of provocation but a malicious or
sportive motive SYN syn SUPEREROGATORY, GRATUITOUS, UNCALLED-FOR, WANTO