sister-in-law
Pluralsisters-in-law
- 1The sister of the person you are married to.
My wife's younger sister, my sister-in-law, just started college.
He always got along well with his sister-in-law, his husband's only sister.
Oppositebrother-in-law
Note
- 2The woman your brother or sister is married to.
My brother's wife, my sister-in-law, runs a bakery in town.
When my sister married her wife, I welcomed a new sister-in-law into the family.
Oppositebrother-in-law
Note
- 3The woman married to a brother or sister of your husband or wife.
My husband's brother got married, and his bride and I quickly became close sisters-in-law.
My sister-in-law is married to my wife's brother, and we vacation together every summer.
Oppositebrother-in-law
Note
Less common meaning
- 4The sister of the person your brother or sister married.
When my brother married, his wife's sister became my sister-in-law as well.
My sister's husband has a younger sister, and she and I are now sisters-in-law.
Oppositebrother-in-law
Use it in a sentence
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Origin
From Middle English suster-in-lawe, made from "sister" plus "-in-law".