Definition of willy-nilly

willy-nillyadverb

tùy tiện

/ˌwɪli ˈnɪli//ˌwɪli ˈnɪli/

Word Originearly 17th cent.: later spelling of will I, nill I ‘I am willing, I am unwilling’.

namespace

whether you want to or not

Example:
  • She was forced willy-nilly to accept the company's proposals.

in a careless way without planning

Example:
  • Don't use your credit card willy-nilly.