Frivolous

Adjective

Definition: Not having any serious purpose or value.

Synonyms: Trivial, Insignificant, Lighthearted

Antonyms: Serious, Important, Meaningful

Examples:

She spent her money on frivolous accessories instead of saving for the future.
The judge dismissed the case as frivolous.

Mnemonics:

"Frivolous" sounds like "frivolity," which means lack of seriousness.

Etymology:

Origin:

From French "frivole" and Latin "frivolus" meaning "silly" or "trifling."

Historical Usage:

The word has been used in English since the late 15th century with a similar meaning.

Related Idioms:

Idiom:

"Frivolous lawsuit"

Explanation:

Refers to a legal action that lacks merit or is brought without a reasonable or legal basis.

Misconceptions:

Misconception:

Considering all playful or light-hearted activities as frivolous.

Explanation:

While frivolous activities may be light-hearted, not all light-hearted activities are necessarily frivolous. Frivolous specifically refers to lacking seriousness or value.