granny flat

noun

Synonyms of granny flatnext
chiefly British
: an apartment that is adjacent to the main living quarters of a house

Examples of granny flat in a Sentence

Recent Examples on the Web
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One really salient one is around what are called accessory dwelling units, which is a type of housing that's been increasingly common and built out in different parts of the country, often known as granny flats, for example. Dana Taylor, USA Today, 25 June 2026 Another would permit accessory dwelling units — commonly called granny flats, or ADUs — in backyards across the state. Olivia Olander, Chicago Tribune, 18 May 2026 They've been called granny flats, carriage houses, or mother-in-law suites. Lee Cowan, CBS News, 17 May 2026 The bill also loosens rules around building increasingly popular accessory dwelling units (ADUs) — such as granny flats, in-law suites or backyard cottages — alongside existing structures. Bob Woods, CNBC, 29 Mar. 2026 See All Example Sentences for granny flat

Word History

Etymology

from its use by parents of the family living in the house

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of granny flat was in 1949

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Cite this Entry

“Granny flat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/granny%20flat. Accessed 6 Jul. 2026.

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