willy-nilly

from WordNet (r) 3.0 (2006)
willy-nilly
    adv 1: in a random manner; "the houses were randomly scattered";
           "bullets were fired into the crowd at random" [syn:
           {randomly}, {indiscriminately}, {haphazardly}, {willy-
           nilly}, {arbitrarily}, {at random}, {every which way}]
    2: without having a choice
    
from The Collaborative International Dictionary of English v.0.48
Nill \Nill\, v. i.
   To be unwilling; to refuse to act.
   [1913 Webster]

         The actions of the will are "velle" and "nolle," to
         will and nill.                           --Burton.
   [1913 Webster]

   {Will he, nill he}, whether he wills it or not; usually
      contracted to {willy-nilly}.
      [1913 Webster]
    

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