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Showing results for seriousness. Search instead for unseriousnes.
Definitions

seriousness

[seer-ee-uhs-nis] / ˈsɪər i əs nɪs /
NOUN
humorlessness
Synonyms
STRONGEST
earnestness gravity sincerity solemnity
STRONG
calmness coolness earnest intentness sedateness serious-mindedness sobriety staidness sternness thoughtfulness
WEAK
sober-mindedness
Antonyms
STRONGEST
insincerity unimportance
WEAK
funniness humor lightness triviality
NOUN
danger; criticalness
Synonyms
STRONGEST
enormity gravity importance significance urgency
STRONG
moment weight
Antonyms
STRONGEST
insignificance triviality unimportance
WEAK
funniness humor lightness

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Still, I was surprised and slightly amused when Noah asked, in all seriousness, if I would like to go to a yoga class with him and then get dinner afterward.

From Los Angeles Times • Apr. 10, 2026

“I can’t,” the author replied in all seriousness.

From The Wall Street Journal • Apr. 10, 2026

She expects this trend to continue, “given the seriousness of this condition and the potential with Vykat XR.”

From Barron's • Apr. 6, 2026

He said the Nazi regime was "the most barbaric ever, and I'd never make light of nor dilute its seriousness".

From BBC • Mar. 26, 2026

“I don’t believe that, Mama,” Ben said with sudden seriousness.

From "The Great Santini" by Pat Conroy

Vocabulary lists containing seriousness

The Suffix -ness, Part 2

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