Lighten and Plug up

Opposite meaning terms

Lighten verb - To become glad or hopeful.

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Plug up is an antonym for lighten.

Nearby Words: light, lightly, lightness, lighter, lightening

Plug up verb - To prevent passage through by filling with something.

Usage example: hair plugged up the drain

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Lighten is an antonym for plug up.

Cite this Source

Plug up and Lighten. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/lighten/plug_up

Lighten & Plug up. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/lighten/plug_up>.

Plug up or Lighten. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/lighten/plug_up.

Google Ngram Viewer shows how "lighten" and "plug up" have occurred on timeline