Child
Child noun - A young person who is between infancy and adulthood.
Grownup
Grownup noun - A fully developed person from maturity onward.
Both words in one sentence
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Child Hater: Grouchy Smurf is made out to be this in the story "The Smurflings"...not that Snappy Smurfling was any help by preemptively commenting "I hate grownup Smurfs" before Grouchy could even say anything.
Source: Comic Book / The Smurfs - His attitude towards his family is dependent on who he's interacting with at the time: Hayley is either daddy's wayward grownup daughter who he tries to keep on the right (his) path, or the displaced trouble child he simply gives up on because they have nothing in common.
Source: Depending on the Writer
Cite this Source
Grownup and Child. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/child/grownup
Child & Grownup. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/child/grownup>.
Grownup or Child. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/child/grownup.
Google Ngram Viewer shows how "child" and "grownup" have occurred on timeline