uncle-in-law
noun
un·cle-in-law
ˈəŋ-kə-lən-ˌlȯ 
plural uncles-in-law
1
: the husband of one's aunt or uncle
2
: the uncle of one's spouse
Examples of uncle-in-law in a Sentence
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This marks Middleton's first appearance since the arrest of her uncle-in-law Andrew Mountbatten-Windsor on February 19 for suspicion of misconduct in public office.
—
Meg Walters, InStyle, 21 Feb. 2026
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Meg Walters, InStyle, 21 Feb. 2026
Cite this Entry
“Uncle-in-law.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uncle-in-law. Accessed 26 Feb. 2026.
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