only childnoun [ C ]
uk/ˌəʊn.li ˈtʃaɪld/us/ˌoʊn.li ˈtʃaɪld/plural only childrena child who has no sisters or brothers
Thesaurus: synonyms and related words
Children & babies
- a mouth to feed idiom
- arrival
- babe
- babe in arms
- baby
- childlike
- childproof
- children
- crawler
- designer baby
- oops-a-daisy
- pacifier
- papoose
- perisher
- pest
- tomboy
- tot
- tyke
- urchin
- waif
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Examples from literature
- But lots of recent studies show that only children are often happy and successful.
- Is it sad to be brought up as an only child, with no brothers and sisters to play with?