will-less

adjective
\ ˈwil-ləs How to pronounce will-less (audio) \

Definition of will-less

1 : involving no exercise of the will : involuntary will-less obedience
2 : not exercising the will life-benumbed, will-less characters— Norma Rosen

First Known Use of will-less

1747, in the meaning defined at sense 1

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