The Open Dictionary

self-willed

adjective

UK/ˌselfˈwɪld/
US/ˌselfˈwɪld/

Definitions of self-willed adjective

  1. making decisions and acting based on one's own desires, often disregarding or rejecting the advice of others

    • She clashed with her colleagues due to her self-willed nature.

    • Despite his parents' advice, he proceeded with his self-willed plan.

    • The project was delayed because of one self-willed person on the team.