| Date: | 1600-1700 |
| Origin: | will I nill I '(whether) I am willing (or) I am unwilling'; nill 'to be unwilling' (11-19 centuries), from Old English nyllan, from ne 'not' + wyllan ( WILL1) |
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willy-nil‧ly

1 if something happens willy-nilly, it happens whether you want it to or not :
He found himself drawn, willy-nilly, into the argument.
He found himself drawn, willy-nilly, into the argument.2 without planning, organization, or control :
Companies were accused of raising prices willy-nilly.
Companies were accused of raising prices willy-nilly.