off-Broadway

US /ˌɔːfˈbrɔːdweɪ/
UK /ˌɔːfˈbrɔːdweɪ/
"off-Broadway" picture
1.

relating to or denoting plays performed in New York City in smaller theaters than Broadway theaters, typically seating 100–499 people, and often featuring experimental or non-commercial productions.

:
Many experimental plays start off-Broadway before moving to larger venues.
She dreams of performing off-Broadway someday.
1.

a theatrical production or venue that is off-Broadway.

:
The new play is an off-Broadway hit.
They decided to stage the musical as an off-Broadway production.