The Collaborative International Dictionary
Overtask \O`ver*task"\, v. t. To task too heavily.
Wiktionary
vb. To task too heavily, to give someone or something to many tasks; overburden
Usage examples of "overtask".
I may be permitted to allude, in the most general way, to the case in which the spontaneous efforts of an overtasked stomach are quieted by the agency of a drug which that organ refuses to entertain upon any terms.
He had the great advantage, from his professional training, of knowing how to recognize and deal with the nervous disturbances to which overtasked women are so liable.
I imagine, to lessen, if possible, the crowd of callers, and lighten in this way the overtasked officials within.
I think, who are impressible, and of necessity depressible when their nervous systems are overtasked, but elastic, recovering easily from mental worries and fatigues, and only wanting a little change of their conditions to get back their bloom and cheerfulness.
Dick was in such an apathy from sheer overtasking of the body and spirit that he did not think of anything.