granny annexe

noun

An extension built to house an elderly relative.

“Near-synonyms: granny flat, granny room, mother-in-law apartment, in-law unit, secondary suite, casita, garden apartment, ADU (“accessory dwelling unit”)”

Similar
granny flatgranny roommother-in-law apartmentin-law unitsecondary suitecasitagarden apartmentADU
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Meanings

noungranny annexe (plural granny annexes)

plural granny annexes

  1. UKinformalAn extension built to house an elderly relative.

    Near-synonyms: granny flat, granny room, mother-in-law apartment, in-law unit, secondary suite, casita, garden apartment, ADU (“accessory dwelling unit”)

    Synonyms: granny flat, granny room, mother-in-law apartment, in-law unit, secondary suite, casita, garden apartment, ADU

Synonyms & antonyms

nounAn extension built to house an elderly relative.

Similar
granny flatgranny roommother-in-law apartmentin-law unitsecondary suitecasitagarden apartmentADU
Also see
aducasitagranny flatmother-in-law apartmentsecondary suite
Cite this entry
APA

granny annexe. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/granny%20annexe

MLA

“granny annexe.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/granny%20annexe. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “granny annexe,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/granny%20annexe.

Source: granny annexe on Wiktionary, CC BY-SA 4.0.