nonconfidence

noun

non·​con·​fi·​dence ˌnän-ˈkän-fə-dən(t)s 

-ˌden(t)s

: lack of confidence

especially : lack of confidence in a government by a parliamentary body

a vote of nonconfidence [=(more commonly) vote of no confidence]

Word History

First Known Use

1840, in the meaning defined above