Noun
younger brother (plural younger brothers)
Used other than figuratively or idiomatically: see younger, brother. (This entry is a translation hub.)
Synonyms: little brother, baby brother, kid brother
Coordinate terms: younger sister, older brother, older sister
I created the Women's Federation for World Peace in order to restore all that woman originally lost. You American women don't need a man in the position of grandfather, parents, husband, elder or younger brother. You only need the true Adam. Sun Myung Moon
The African is my brother but he is my younger brother by several centuries. Albert Schweitzer
Mom spent the time that she was supposed to be a kid actully raising children, her younger brother and younger sister. She was tough as nails and did not suffer fools at all. And the truth was she could not afford to. She spoke the truth, bluntly, directly, and without much varnish. I am her son. Chris Christie
I have a disgracefully sweet tooth. My younger brother and I, all we care about are puddings. You can keep your smoked salmon and caviar. Donald Sinden
I am the middle child with an older and younger brother. Eden Sher
A younger brother should honour an older brother. He should treat him with human dignity. Sumerian Proverb