▸ noun US English informal a person, especially a motorcyclist, viewed as representing an adventurous or alternative lifestyle and freedom from responsibility:
the easy rider cruised down the Pacific Coast Highway.
– ORIGIN early 20th century (in the senses ‘prostitute's lover or pimp’ and ‘good lover’): the current sense derives from the 1969 film Easy Rider, starring Peter Fonda and Dennis Hopper as freewheeling motorcyclists on a road trip from Los Angeles to New Orleans.