Sub-lessee is a word used to denote an individual or entity that has leased a property from the original lessee. Synonyms for sub-lessee include sub-tenant, sub-renter, and sub-leaseholder. These words carry the same meaning and can be used interchangeably in legal and rental contexts. Sub-tenant is widely used in residential leasing arrangements, while sub-leaseholder is used more commonly in commercial properties. Sub-renter is a more general term that can be used for both residential and commercial rentals. Regardless of which synonym is used, the sub-lessee has rights and responsibilities as a tenant and is legally bound by the terms of the sub-lease agreement.