Definition, Meaning & Synonyms
half-brother
noun
/ˈhæf ˌbrʌðər/

Definition
A male sibling who shares one biological parent with another sibling, but not both.

Examples
- John is my half-brother, and we share the same father.
- After my mother remarried, I gained a half-brother.

Meaning
A half-brother can be distinguished from a full brother, as they do not share both parents.

Synonyms
- step-brother