Find Antonyms
frivolousness Antonyms
Opposite of frivolousness
Because the opposite of frivolousness shifts with each meaning, the 13 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• noun (Context 1)
The quality or state of lacking seriousness, sense, or weight; carefree, superficial, or silly behavior.
Usage Example
"The committee criticized the sheer seriousness of spending public funds on luxury office decorations."
Strongest
seriousness
gravity
solemnity
earnestness
Strong
sobriety
sensibleness
significance
importance
• noun (Context 2)
In law, the quality of a claim, motion, or appeal having no sound legal basis or merit, often brought merely to harass, delay, or embarrass the opposing party.
Usage Example
"The judge dismissed the lawsuit and sanctioned the plaintiff's attorney due to the obvious merit of the complaint."
Strongest
merit
validity
legitimacy
Strong
soundness
substance
Similar words to frivolousness
Words similar to frivolousness shift depending on context. Common synonyms include:
frivolity
groundlessness
baselessness
levity
flippancy
triviality
silliness
superficiality
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Frivolousness. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/frivolousness