Grown-up
Grown-up adjective - Relating to or typical of adults; displaying proper maturity.
Both words in one sentence
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Aqua's third album, Megalomania, was a major shift from their usual light-hearted Eurodance into a more "grown-up" electropop sound.
Source: New Sound Album -
Completely Missing the Point: Fūko's sister suggests that she stop referring to herself in third-person, to sound more grown-up.
Source: Visual Novel / CLANNAD -
Lewis's The Magician's Nephew, Uncle Andrew takes a steadying swig of something described as "some nasty grown-up drink." (In a later scene, some newly-created talking animals conclude that his name is "Brandy" because he makes that sound so often.)
Source: Frothy Mugs of Water
Cite this Source
Sound and Grown-up. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/grown-up/sound
Grown-up & Sound. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/grown-up/sound>.
Sound or Grown-up. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/grown-up/sound.