Wiktionary
unmotherly
a. Not motherly; unmaternal.
Usage examples of "unmotherly".
The' 'pillar of light'' trembled at this shameless, unmotherly behavior.
The pains she took, and the toil she endured, to see me, tells me that a true mother’s heart was hers, and that slavery had difficulty in paralyzing it with unmotherly indifference.