Definition of sibling in English:



  • Each of two or more children or offspring having one or both parents in common; a brother or sister.

    • ‘My brothers middle name is Paul, the name my missing sibling would have had.’
    • ‘You may wish for them to observe you as parents or older siblings while they use it.’
    • ‘And the death of a younger sibling is a different thing to the death of a parent.’
    • ‘This pattern is matched by the way in which the siblings of one's parents are named.’
    • ‘These games offer an opportunity for the viewers to play them alone or with the help of an older sibling or parent.’
    • ‘Alexander had 13 siblings and only one of them survived, a sister who became a doctor.’
    • ‘His brother Craig was also a junior referee and their younger sibling, Neil, won the bronze in his group.’
    • ‘He joins his parents and siblings for breakfast, basic roti and pumpkin with a cup of tea.’
    • ‘If you do not have children or parents then siblings or further removed relatives may benefit.’
    • ‘Her name was included on that list together with her parents and siblings.’
    • ‘The emphasis was on caring for the sick brother or sister and often the sibling got left in the shadows.’
    • ‘You will need help at some point, ask parents, siblings, teachers and friends for support.’
    • ‘His elder sister is the biographer Antonia Fraser and four other siblings also write books.’
    • ‘Insurers wanted to know more about what our parents died from and our siblings suffered with.’
    • ‘Is it common for first time sexual experiences to be with a sibling or cousin around the same age?’
    • ‘It is also to be borne in mind that the appellant's family comprise his parents and three siblings.’
    • ‘I do not know if there were any other siblings or if their parents had any brothers or sisters.’
    • ‘You can tackle your parents, elder siblings or friends for possible placements.’
    • ‘A man came to load it onto the bus as we ran to find Ranwen's parents and siblings.’
    • ‘It is not uncommon for the sibling of a child with autism to simply feel their parents do not love them as much.’
    brother or sister
    brothers and sisters, brothers or sisters
    View synonyms


Old English in the sense relative (see sib, -ling). The current sense dates from the early 20th century.