There are multiple definitions - click on the translation that matches your context.

czynszowy

przymiotnik

full

rental

adjective

Definitions of rental

English

available for rent

The supply of rental accommodation is increasing.

English

relating to money paid to use a thing (eg a piece of equipment, a vehicle, a downloaded digital file etc) or a piece of real property (eg a piece of land, an apartment, an office, a house, or another building) for a specified period of time

Private rental prices paid by tenants in Britain rose by 1% in the 12 months to March.