Ominous and Serious

Related words

Ominous

Ominous adjective - Being or showing a sign of evil or calamity to come.

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Serious and ominous are semantically related in property topic. In some cases you can use "Serious" instead an adjective "Ominous", when it comes to topics like ugly.

Nearby Word: ominously

Serious

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

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Synonyms for Serious

Antonyms for Serious

Ominous and serious are semantically related in ugly topic. Sometimes you can use "Ominous" instead an adjective "Serious".

Nearby Words: seriously, seriousness

Mutual synonyms

Related pairs

Both words in one sentence

Amon and the Equalists used many forms of stealth, to back up how serious and ominous their goal is.

Source: Stealth Expert
Subverted in the ending for And Yet It Moves, however, where he noticeably loses his composure and ends on a much more serious and ominous One-Liner.

Source: Video Game / I Miss the Sunrise
Also inverted with the season five arc, which isn't nearly as dark, ominous, or serious as the season 4 arc which preceded it.

Source: Cerebus Syndrome / Western Animation

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Cite this Source

Serious and Ominous. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/ominous/serious

Ominous & Serious. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/ominous/serious>.

Serious or Ominous. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/ominous/serious.

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