Definition of sister–in–law
sisters–in–law
play \ˈsi-stər-zən-ˌlȯ\1 : the sister of one's spouse
2a : the wife of one's siblingb : the wife of one's spouse's sibling
Indulge Your Inner Word Nerd
15th Century
First Known Use of sister–in–law
15th century
SISTER–IN–LAW Defined for English Language Learners
sister-in-law
play
noun
Definition of sister–in–law for English Language Learners
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: the sister of your husband or wife
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: the wife of your brother
SISTER–IN–LAW Defined for Kids
sister–in–law
play
noun
sis·ter–in–law
\ˈsi-stər-ən-ˌlȯ\
Definition of sister–in–law for Students
sisters–in–law
1 : the sister of someone's husband or wife
2 : the wife of someone's brother
Learn More about sister–in–law
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See words that rhyme with sister–in–law Spanish Central: Translation of sister–in–law
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