semidetached

UK: /ˌsɛmɪdɪˈtætʃt/ US: (sem′ē di tacht′, sem′ī-)

WordReference Random House Unabridged Dictionary of American English © 2026

sem•i•de•tached  (sem′ē di tacht′, sem′ī-), adj. 

1. partly detached.
2. of or pertaining to a house joined by a party wall to another house or row of houses.

• semi- + detached 1855–60

sem′i•de•tach′ment, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

semidetached / ˌsɛmɪdɪˈtætʃt/ adjective

1. (of a building) joined to another on one side by a common wall
2. (as noun): they live in a suburban semidetached