Find Antonyms

seriousness Antonyms

Opposite of seriousness

Because the opposite of seriousness shifts with each meaning, the 13 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• noun (Context 1)

The degree to which a situation, problem, or condition is important, severe, critical, or dangerous.

Usage Example

"The doctors quickly realized the triviality of the patient's symptoms and ordered immediate tests."

Strongest
triviality
insignificance
Strong
mildness
unimportance
harmlessness

• noun (Context 2)

The quality or state of being solemn, earnest, thoughtful, or sincere rather than playful or joking.

Usage Example

"She spoke with great frivolity about her plans to study medicine abroad."

Strongest
frivolity
levity
lightheartedness
playfulness
Strong
flippancy
mirth
jocularity
insincerity

Similar words to seriousness

Words similar to seriousness shift depending on context. Common synonyms include:

gravity
solemnity
severity
earnestness
soberness
magnitude
sincerity
importance
See all synonyms of seriousness

• Nearby Words

serif
serious
seriously
seriousness
sermon
serpent
serpentine

Cite this Entry

Wordmom. (2026). Antonyms for Seriousness. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/seriousness
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