Perfunctory
Pronunciation : Per*func"to*ry
Part of Speech : a.
Etymology : [L. perfunctorius, fr. perfunctus dispatched, p.p. of perfungi to discharge, dispatch; per (see Per) + fungi to perform. See Function.]
Definition : 1. Done merely to get rid of a duty; performed mechanically and as a thing of rote; done in a careless and superficial manner; characterized by indifference; as, perfunctory admonitions. Macaulay.
2. Hence: Mechanical; indifferent; listless; careless. "Perfunctory in his devotions." Sharp.
Source : Webster's Unabridged Dictionary, 1913