siblingnoun [ C ]
uk/ˈsɪb.lɪŋ/us/ˈsɪb.lɪŋ/formalC2 a brother or sister:
I have four siblings: three brothers and a sister.
There was great sibling rivalry (= competition) between Peter and his brother.
See also
sib
Thesaurus: synonyms and related words
Family: relations in general
- aunt
- auntie
- baby daddy
- be sb's own flesh and blood idiom
- birth mother
- fatherhood
- filial
- first cousin
- fraternal
- fraternal twin
- long-lost
- loved one
- maiden aunt
- maternal
- matriarch
- son
- uncle
- working mother/father/parent
- your nearest and dearest idiom
- your own flesh and blood idiom
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