What does demising mean?
"Demising" is the present participle of "demise," a term rooted in Anglo-Norman French meaning to transfer or convey an estate, most commonly by lease. In modern usage it belongs almost entirely to the worlds of law and commercial real estate. A landlord who is demising space is carving out a portion of a building and granting a leasehold interest in it to a tenant. The adjective form appears frequently on architectural plans: a demising wall or demising partition is the structural barrier that legally and physically separates one tenant's premises from another's, defining precisely where one lease ends and the next begins. Because the noun "demise" is better known as a formal word for death, "demising" can surprise readers, yet its original sense of handing over ownership or rights remains intact. It carries a dry, technical connotation and is best suited to contracts, property documents, and professional discussion rather than general prose.
verb (present participle of 'demise')The act of conveying or transferring an estate, especially a leasehold interest, to another party; in commercial property, it also refers to dividing a building into separate leasehold units, as in a demising wall.
- Transferring or conveying an estate, particularly by lease, to another party.
- Dividing a building or space into separately leasable units, typically with demising walls or partitions.
"The landlord is demising the upper floor into three separate office suites."
"The developer is demising the ground floor into four retail units ahead of the mall's reopening."
"Under the agreement, the landlord retains the right to demise additional space within the building."
That plain-looking wall between two storefronts has a legal name — the demising wall — and it quietly defines exactly where one tenant's world ends and another's begins.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of demising
"Demising" derives from "demise," which entered English from Anglo-Norman French in the late Middle Ages, ultimately from the Latin "demittere," meaning to send down or let fall. In legal English it came to mean the conveyance of an estate, especially by lease, and that sense survives in present-day property practice. It shares its Latin root with words like "dismiss," "remit," and "mission."
Related word forms
How demising is actually used
Formal register, used almost exclusively in legal and commercial real estate contexts such as leases, tenancy agreements, and construction specifications. Rarely encountered in everyday conversation; the related noun 'demise' in the sense of death is far more familiar but unrelated to this usage's everyday context.
Easily confused with demising
'Devising' means planning or inventing something, while 'demising' refers to legally transferring an estate or dividing leased property.