not serious

ADJECTIVE

facetious

Synonyms

WEAK

amusing blithe capering clever comic comical droll dry fanciful farcical flip flippant frivolous funny humorous indecorous ironic irreverent jesting jocose jocular joking joshing laughable ludicrous merry playful pleasant pulling one's leg punning putting one on ridiculous salty sarcastic satirical smart sportive sprightly waggish whimsical wisecracking witty wry

Antonyms

WEAK

formal grave serious unfunny

ADJECTIVE

frivolous

Synonyms

STRONGEST

foolish idiotic impractical petty pointless senseless

WEAK

barmy childish dizzy empty-headed facetious featherbrained flighty flip flippant gay giddy harebrained idle ill-considered juvenile light light-minded minor niggling nonserious paltry peripheral playful puerile scatterbrained shallow sportive superficial tongue-in-cheek unimportant unprofound volatile whimsical

Antonyms

STRONGEST

intelligent sensible wise

WEAK

grave mature serious solemn thoughtful

ADJECTIVE

idle

Synonyms

STRONGEST

empty unproductive useless

STRONG

hollow rambling

WEAK

abortive bootless frivolous fruitless futile groundless insignificant irrelevant nugatory of no avail otiose pointless superficial trivial unavailing unhelpful unnecessary unsuccessful vain

Antonyms

WEAK

active ambitious busy diligent effective employed hustling important productive used working worthwhile

ADJECTIVE

tongue-in-cheek

Synonyms

STRONGEST

amusing comic flippant humorous ironic irreverent jocular joking playful sarcastic satirical whimsical

STRONG

jokingly

WEAK

blithe clever comical dry facetious farcical flip funny in fun in jest ironical jesting joshing kiddingly laughable pulling one's leg putting one on smart wisecracking witty

Antonyms

STRONGEST

respectful reverent serious unfunny

ADJECTIVE

venial

Synonyms

WEAK

all right allowable defensible excusable explainable forgivable justifiable minor not too bad okay permissible slight tolerable trivial understandable

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.

Defense Secretary Pete Hegseth said Iran’s latest attacks were not serious enough to break the cease-fire.

From MarketWatch • May 5, 2026

"They were not serious initially, as my brother told me. They were not serious at all."

From BBC • Feb. 7, 2026

“I love you,” he said, “but you are not serious people.”

From Salon • Dec. 9, 2025

The source continued, “She is having a lot of fun in this new era. It’s not serious, but she is enjoying time with him.”

From Los Angeles Times • Nov. 10, 2025

“Jane Fairfax!—Good God! You are not serious? You do not mean it?”

From "Emma" by Jane Austen

not serious

Example Sentences

Related Words