brother-in-law

B2 Topic:Family & Relationships
US /ˈbɹʌðɚ ɪn ˌlɔ/ UK /ˈbɹʌðəɹ ɪn ˌlɔː/
noun Freq #4665

Meanings

  1. 1
    noun

    The brother of your husband or wife, or the husband of your sister

    My brother-in-law is married to my older sister.

Thesaurus

Word family
Forms brothers-in-law
Derived forms co-brother-in-law
Related forms co-wifedaughter-in-lawfather-in-lawmother-in-lawsister-in-lawson-in-law

Etymology

From Middle English brother-in-lawe; equivalent to brother + -in-law.

brother-in-lawe Middle English
View etymology graph ->

Topics

Family & Relationships Word Formation & Derivatives
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