half brother

noun

1. brother ( def 2 ).

half-brother

noun

1. the son of either of one's parents by another partner

Word History and Origins

Origin of half brother¹

Middle English word dating back to 1300–50

Example Sentences

Her half brother Alfred Jackson died in 2019, and John R. Nelson died in 2021.

From Los Angeles Times

A photograph that circulated online after his killing showed him sometime prior to 2011 alongside Zambada Niebla and his half brother Ismael Zambada Imperial, who are both in the United States after being captured, being extradited and pleading guilty to federal charges.

From Los Angeles Times

When his half brother, an aspiring soccer talent scout in England, calls with an enigmatic prospect — the promise of signing Africa’s answer to Lionel Messi — Mark embarks on an adventure that will change the course of his life.

From New York Times

As Eagles Flight was walked from the detention barn toward the paddock at Santa Anita on Monday, the 3-year-old son of Curlin could look up and see a mural of his half brother, 2022 Horse of the Year Flightline.

From Los Angeles Times

While Marco is a sympathetic lead, it’s the zealous Nobleman — who switches from hunting Marco to befriending him — who is the real draw: He is gleefully sadistic, laughing as he savagely kills every goon the half brother sends after Marco.

From New York Times