half-brother

half-brother — noun

1. A male relative linked to you by exactly one shared birth parent — your mother i

1.名詞A2
釋義

A male relative linked to you by exactly one shared birth parent — your mother is also his mother and your fathers are different, or your father is also his father and your mothers are different.

例句

Apinya and her half-brother Ryo share the same father but have different mothers.

explains which parent is shared

Liam grew up with his mother, while his half-brother Kabir lived with their father abroad.

half-siblings raised apart

同義詞
  • half-sibling

    gender-neutral term that includes both half-brothers and half-sisters; less common in everyday speech

反義詞

文法句型

my/his/her half-brother

half-brother + from [parent's] side

用法筆記

Frequently used with a possessive (my, her, his) or a name. Unlike step-brother, half-brother always implies a biological link through one shared parent. If you need to specify which parent is shared, add from my father's side or from my mother's side.

常見錯誤

❌My step-brother lives with us after my mother married his father, and we share the same mother.
✅My half-brother lives with us after my mother married his father, and we share the same mother.
💡step-brother means no shared blood parent; half-brother means you share one biological parent.
❌He is my half-brother from both parents.
✅He is my brother' or 'He is my full brother.
💡half-brother means only one parent is shared; if both parents are shared, use brother or full brother.