anti-authority

adjective

an·​ti-au·​thor·​i·​ty ˌan-tē-ə-ˈthär-ə-tē 

-ȯ-,

-ˈthȯr-,

ˌan-ˌtī-

: opposed to or hostile toward authority : antiauthoritarian

The notion of educators being in loco parentis did not survive the anti-authority upheavals of the 1960s.

—Jon Kyl

Word History

First Known Use

1877, in the meaning defined above