The definition of a relative is someone who is connected to another by blood, family or marriage.
Alternative spelling of half brother.
One of two or more persons born of the same parents or, sometimes, having one parent in common; brother or sister
Title of respect for an adult male member of a religious or fraternal order.
A son of one's stepparent.
Find another word for half-brother. In this page you can discover 24 synonyms, antonyms, idiomatic expressions, and related words for half-brother, like: relative, brother by one parent, half-brother, sibling, kin, brother-in-law, second-cousin, stepson, great-grandson, first-cousin and grandson.