Fluorescent and Serious

Opposite meaning words

Fluorescent adjective - Emitting light during exposure to radiation from an external source.

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Serious is an antonym for fluorescent in illuminated topic.

Nearby Word: fluorescence

Serious adjective - Not joking or playful in mood or manner.

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Fluorescent is an antonym for serious.

Nearby Words: seriously, seriousness

Cite this Source

Serious and Fluorescent. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/fluorescent/serious

Fluorescent & Serious. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/fluorescent/serious>.

Serious or Fluorescent. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/fluorescent/serious.

Google Ngram Viewer shows how "fluorescent" and "serious" have occurred on timeline