Simple Definition of in-law

from our Learner's Dictionary

in-law

noun

plural in-laws
: a person you are related to because of your marriage
especially : the father or mother of your husband or wife
usually plural
She was nervous when she met her in-laws for the first time.

Cite this Entry

“In-law.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/in-law. Accessed 24 Jun. 2026.

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