Aunt-in-law

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The wife of one's uncle or aunt (parent's sibling). nonstandard

    "Between uncle and aunt-in-law, or uncle's wife, you have a connection of affinity, and you have the same between aunt and uncle-in-law, or aunt's wife. [sic]"

  2. 2
    The aunt of one's spouse.; The aunt of one's husband. nonstandard

    "2009 August 28, contributor, Petunia Dursley, Harry Potter Wiki Petunia would later become an aunt-in-law to Harry's wife Ginevra Weasley and a great-aunt to Harry and Ginny's three children; James Sirius, Albus Severus,"

  3. 3
    The aunt of one's spouse.; The aunt of one's wife. nonstandard

Example

More examples

"Between uncle and aunt-in-law, or uncle's wife, you have a connection of affinity, and you have the same between aunt and uncle-in-law, or aunt's wife. [sic]"

Etymology

From aunt + -in-law.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.