sublet
verb [ I or T ]
PROPERTY, LAW (also sub-let) uk/ˌsʌbˈlet/ ussubletting | sublet | sublet (also sublease); (also underlet)to allow someone to rent all or part of a building that you are renting from someone else:
They have instructed us to sub-let 20,000 sq ft of offices.
to rent all or part of a building from another person who rents it from the owner:
We sublet the offices from the principal tenant.
sublet
noun [ C ] (also sublease)
The financial services company was renting a sublet in Chelsea.
sublet
adjective [ before noun ]
sublet offices/space