Importance: 0

Is a company: no

Is a proper noun: no

Notes: A two-unit complex.


  • paired
  • double
  • twin
  • two of


  • dup

Alternate Spellings

  • townhouse
  • triplex

Definition of Duplex

  1. A building that is divided into two living units or residences, usually having separate entrances.

Related Terms and Acronyms

  • Attached Structure Definition,
    • A building that is attached to another building.
  • Detached Structure Definition,
    • A building that is not attached to another building.
  • Triplex Definition,
    • One building that contains three housing units.
  • Single-Family Detached Home Definition,
    • A house that one family lives in and is not attached to another house (like a duplex).
  • Condominium (condo) Abbreviation,
    • A condominium is an apartment building or townhouse complex where the structure and living areas are managed and owned, rather than rented, by the building's tenants.
    • A structure of two or more housing units. The interior space of the units are individually owned. The balance of the property (land, building and other amenities) is owned in common by the owners of the individual units.
  • Townhouse (th, town, twnhse) Abbreviation,
    • A house that is attached to or built close to other houses.
  • Multi-Family (mfam, MF) Acronym & Abbreviation,
    • A building with more than four residential units.
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