Dictionary.com
Thesaurus.com
Synonyms

seriousness

American  
[seer-ee-uhs-nis] / ˈsɪər i əs nɪs /

noun

  1. earnest or sincere character or attitude.

    The proposal was talked about, but I can't say with how much seriousness it was discussed.

  2. solemn or somber character or attitude.

    Is that why your face is so grim—you're fighting to maintain seriousness and not laugh at the speaker’s name?

  3. the quality of showing or requiring deep thought or concentration.

    The two chefs approach their gourmet cuisine with the pensive seriousness others might bring to a difficult math problem.

  4. the quality of being important or weighty, or of giving cause for concern.

    We need educational tools that convey the seriousness of copyright infringement, as well as its consequences and penalties.


Other Word Forms

Etymology

Origin of seriousness

serious ( def. ) + -ness ( def. )

Explanation

Seriousness is a quality of being calmly intent, or serious. Your seriousness will serve you well when you're studying for an important test. You might talk about the seriousness of an argument between two friends, or the seriousness of your math teacher when she expects the class to pay attention. Sometimes seriousness implies a bit of worry, like when you ask about the seriousness of your grandmother's health problems. The noun seriousness comes from an adjective, serious, with a Latin root, serius, which means "weighty, important, or grave."

Keep Reading on Vocabulary.com

Vocabulary lists containing seriousness

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.

Their mood, allowing for occasional moments of Great Seriousness, is sunny, their glass never less than three-quarters full — of lemonade, probably.

From Los Angeles Times • Mar. 3, 2022

Seriousness has to be earned again each time.

From The Guardian • Jan. 23, 2020

Seriousness in cinema is often viewed with suspicion and that’s as true now as it was when, say, Antonioni shook up the art.

From New York Times • Mar. 16, 2017

"Seriousness, rather than depression is, I think, the characteristic of my work," he once told an interviewer.

From BBC • Nov. 10, 2016

Seriousness is not blended with freedom in it; or, in other words, the inward has no power to pass its quality into the outward.

From An Interpretation of Rudolf Eucken's Philosophy by Jones, W. Tudor (William Tudor)

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "seriousness" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com