off-off-Broadway

noun

off-off-Broad·​way ˈȯf-ˈȯf-ˈbrȯd-ˌwā 

often capitalized both Os

: an avant-garde theatrical movement in New York

off-off-Broadway adjective or adverb often capitalized both Os

Word History

Etymology

from its relation to off Broadway being analogous to the relation of off Broadway to Broadway

First Known Use

1957, in the meaning defined above