A half-brother is a male sibling who shares only one parent (either the mother or the father) with you, not both. This usually happens when one parent remarries and has children with a new partner.
Synonyms
stepbrother (informal, sometimes used interchangeably)sibling (general)
Antonyms
full brotherbiological brother
Translations
half-brother in your language
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عربي
الأخ غير الشقيق هو أخ يشاركك أحد الوالدين فقط، إما الأم أو الأب.
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اردو
سوتیلا بھائی وہ بھائی ہوتا ہے جس کا آپ کے ساتھ صرف ایک والدین مشترک ہو۔
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हिंदी
सौतेला भाई वह भाई होता है जिसका आपके साथ केवल एक माता-पिता साझा होता है।
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中文
同父异母或同母异父的兄弟是指与你只有一位共同父母的男性兄弟。
Easy Explanation
Plain English Breakdown
A half-brother is your brother, but you only have one parent in common. For example, you might share the same mother but have different fathers. Or you might share the same father but have different mothers.
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Memory TipRemember 'half' means only one parent is shared.
Contextual Examples
How to use in a sentence
My half-brother (sibling with one shared parent) from my father's first marriage is coming to visit next week.
Even though we have different mothers, my half-brother (brother from one parent) and I are very close.
She discovered she had a half-brother (sibling with one parent) living in another country after her father passed away.