foster brother
Americannoun
Etymology
Origin of foster brother
before 1000; Middle English; Old English fōster brōthor
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Throughout his book, Mr. Dohrn, who was born in 1977, wonders how much he, his younger brother and his foster brother really meant to their parents.
From The Wall Street Journal ● May 29, 2026
A woman who passed up going to university to care for her autistic foster brother has described how he inspired her to set up her own behavioural therapy centre.
From BBC ● Feb. 18, 2023
It was two teammates, Lane Schall, a gregarious ranch kid, and Darshan Bolen, Phil’s cousin and foster brother.
From New York Times ● Apr. 4, 2018
Also unchanged is the remarkably strong ensemble that surrounds her, including and especially Jordan Gavaris as Sarah’s foster brother Felix.
From Los Angeles Times ● Apr. 16, 2015
My foster brother, Shan, rubbing the sleep from his eyes, bewildered, asking when I would return.
From "An Ember in the Ashes" by Sabaa Tahir
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.