Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “brother-in-law”

See all translations

brother-in-law

noun [C]  /ˈbrʌð·ər·ənˌlɔ/ ( plural brothers-in-law  /ˈbrʌð·ərz·ənˌlɔ/) us  
the husband of someone’s sister, or the brother of someone’s wife or husband, or the husband of the sister of someone’s wife or husband
Translations of “brother-in-law”
in Korean 시동생, 처남 등…
in Arabic صِهْر…
in Portuguese cunhado…
in Catalan cunyat…
in Japanese 義兄, 義弟(夫または妻の兄弟)…
in Italian cognato…
in Chinese (Traditional) 大伯子, 小叔子, 內兄…
in Russian зять, деверь, шурин…
in Turkish enişte, bacanak, kayın birader…
in Chinese (Simplified) 大伯子, 小叔子, 内兄…
in Polish szwagier…
(Definition of brother-in-law from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of brother-in-law?
Add Cambridge dictionaries to your browser to your website

Definitions of “brother-in-law” in other dictionaries

Word of the Day

christmassy

typical of Christmas, or happy because it is Christmas

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

tweleb noun

December 22, 2014
informal a Twitter celebrity; (more specifically, someone who has more than 1,000 followers on Twitter) There were a few old and a few new faces, including a tweleb or two. Expect to see and hear more from these cool kids.

Read More