half brother

1. 1.

   a brother who has only one parent in common with you

   Synonymsstepbrotherhalf-brother

   Broaderbrother

Questions about half brother

What does half brother mean?

half brother means "a brother who has only one parent in common with you".

What is another word for half brother?

Close synonyms include stepbrother, half-brother. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is half brother a common word?

half brother is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.