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sister–in–law

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sister–in–law/ˈsɪstɚrənˌlɑː/noun
pluralsisters–in–law/ˈsɪstɚzənˌlɑ/
sister–in–law
/ˈsɪstɚrənˌlɑː/
noun
pluralsisters–in–law/ˈsɪstɚzənˌlɑ/
Learner's definition of SISTER–IN–LAW  
[count]
: the sister of your husband or wife
: the wife of your brother
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