or Off Broadway
professional drama produced in New York City in small theaters often away from the Broadway area and characterized by experimental productions.
Origin of off Broadway
An Americanism dating back to 1950–55
off off Broadway
or Off Off Broadway
experimental or avant-garde drama produced in New York City, in small theaters, halls, churches, etc.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019