Dull and Grown-up

Opposite meaning words

Dull adjective - Lacking sharpness of edge or point.

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Grown-up is an antonym for dull.

Nearby Words: dullness, dulling, dulled, dully, dullish

Grown-up adjective - Relating to or typical of adults; displaying proper maturity.

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Dull is an antonym for grown-up.

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

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Grown-up and Dull. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/dull/grown-up

Dull & Grown-up. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/dull/grown-up>.

Grown-up or Dull. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/dull/grown-up.