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
see also:
will he, nill he willy-nilly 

will \will\, v. i.
   to be willing; to be inclined or disposed; to be pleased; to
   wish; to desire.
   1913 webster

         and behold, there came a leper and worshiped him,
         saying, lord if thou wilt, thou canst make me clean.
         and jesus . . . touched him, saying, i will; be thou
         clean.                                   --matt. viii.
                                                  2, 3.
   1913 webster

   note: this word has been confused with will, v. i., to
         choose, which, unlike this, is of the weak conjugation.
         1913 webster

   will i, nill i, or will ye, hill ye, or will he, nill
   he, whether i, you, or he will it or not; hence, without
      choice; compulsorily; -- commonly abbreviated to willy
      nilly. "if i must take service willy nilly." --j. h.
      newman. "land for all who would till it, and reading and
      writing will ye, nill ye." --lowell.
      1913 webster
see also:
will i, nill i will ye, hill ye will he, nill he willy nilly