adjective

semi-detached

duplex, semi-detached

They live in a semi-detached house.

They live in a duplex house.

((a)) semi-detached ((noun)) a house joined to another on one side They live in a semi-detached house.

Synonyms: duplex, twin home; Antonyms: detached, row house

From the prefix 'semi-' (half) + 'detached' (separate). It literally means 'half separate'. The US equivalent is often 'duplex'.

Think of it as 'semi-separate'. It's not fully detached, but it's not in a long row of houses either.

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