step-sibling
step-sibling — noun
1. A person who becomes your brother or sister when one of your parents marries a p
A person who becomes your brother or sister when one of your parents marries a person who already has children — you and that person are not related by blood.
After his mother remarried, Theo gained two step-siblings, Mei and Jun.
gain + step-sibling after a parent remarries
The Watanabe family holiday included both biological and step-siblings.
Arjun shared a room with his step-sibling Deepa at university.
When Amara's father married Mrs. Chen, she suddenly had three step-siblings.
Sofia treats her step-siblings exactly the same as her blood-related brothers.
- stepbrother
specific masculine form of step-sibling
- stepsister
specific feminine form of step-sibling
- blood sibling
a sibling related by birth rather than through marriage
- biological sibling
a full or half sibling who shares at least one biological parent
用法筆記
Step-sibling is a gender-neutral term covering both stepbrothers and stepsisters. It is less commonly used in everyday speech than the specific forms stepbrother and stepsister, but it is useful when the gender is unknown or when referring to a mixed group.