Child
Child noun - A young person who is between infancy and adulthood.
Usage example: an imaginative animated film that appeals to adults as well as to children
Grown-up
Grown-up noun - A fully grown person.
Usage example: once you turn 12, you get to eat with the grown-ups at Thanksgiving
Both words in one sentence
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Mundane Made Awesome: The Cutscene that plays when a child uses the Age-o-Matic has a montage of the child doing dull grown-up things such as going to work and dining alone at a restaurant.
Source: Video Game / Tomodachi Life -
The female version is usually split between The Ingenue, the Genki Girl, or other tropes which highlight an adult woman's child-like attributes rather than her grown-up persona.
Source: Man Child -
Flax."Sometimes, I feel like you're the child and I'm the grown-up." Olympic Swimmer: Kate aspires to be one, just like her father.
Source: Film / Mermaids
Cite this Source
Grown-up and Child. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/child/grown-up
Child & Grown-up. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/child/grown-up>.
Grown-up or Child. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/child/grown-up.