sibling
noun /ˈsɪblɪŋ/
/ˈsɪblɪŋ/
(formal or specialist)- a brother or sister
- squabbles between siblings
- sibling rivalry (= competition between brothers and sisters)
- The younger children were badly treated by older siblings.
- poor relationships between siblings
Oxford Collocations Dictionaryadjective- elder
- eldest
- older
- …
- rivalry
- relationship
- among siblings
- between siblings
Word OriginOld English, in the sense ‘relative’ (from sib ‘kindred’ + -ling). The current sense dates from the early 20th cent.