nisus

noun ni·sus \ˈnī-səs\

plural ni·sus \-səs, -ˌsüs\

Definition of NISUS

: a mental or physical effort to attain an end : a perfective urge or endeavor

Latin, from niti to lean, rely, strive; akin to Latin nictare to wink — more at connive

First Known Use: 1699

Medical Dictionary

noun ni·sus \ˈnī-səs\

plural ni·sus \-səs, -ˌsüs\

: a mental or physical effort to attain an end

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