half brother

noun

: a brother related through one parent only

Examples of half brother in a Sentence

George is my half brother.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Another finding that surprised (and touched) the researchers was that Rounder’s fifteen-year-old half brother, Allan, showed up for the birth. Elizabeth Kolbert, New Yorker, 26 Mar. 2026 Kylie’s partner Tyga previously had a kid with Blac Chyna, who went on to have another baby with her half brother, Rob Kardashian. Nate Freeman, Vanity Fair, 11 Mar. 2026 Hojo Shin, who plays Min Ho’s half brother Jiwon, has also been upped to a series regular. Katie Campione, Deadline, 11 Feb. 2026 Williams, Azari and the baby’s 11-year-old half brother were in the apartment not far from Hulen Mall. Emerson Clarridge, Fort Worth Star-Telegram, 22 Jan. 2026 See All Example Sentences for half brother

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of half brother was in the 14th century

Browse Nearby Words

Cite this Entry

“Half brother.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/half%20brother. Accessed 30 Mar. 2026.

Kids Definition

half brother

noun
: a brother by one parent only

More from Merriam-Webster on half brother

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster