* Trivial: Unimportant, petty, or insignificant.
* Silly: Lighthearted, nonsensical, or lacking in substance.
* Flippant: Lacking respect or seriousness, often in a playful or disrespectful way.
* Whimsical: Impulsive, fanciful, or unpredictable.
Here are some examples:
* "Her frivolous spending habits led to her financial problems."
* "The lawsuit was dismissed as frivolous."
* "He made a frivolous joke about the situation, which offended many people."
Synonyms for "frivolous" include:
* Trivial
* Silly
* Petty
* Insignificant
* Superficial
* Flippant
* Whimsical
* Unimportant
Antonyms for "frivolous" include:
* Serious
* Important
* Substantial
* Significant
* Meaningful
* Thoughtful