noun
COLLOCATIONS FROM OTHER ENTRIES
a half-brother (= brother with only one parent the same as yours )
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I never really liked my half-brother.
EXAMPLES FROM CORPUS
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Other characters include his half brother, two male teachers and the male head teacher.
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Sir Kenneth was the half brother of Osgood MacKenzie who created the famous gardens in Inverewe.
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The president's half brother and one of his sons sued the government for trampling on their civil rights!