UNSERIOUS Synonyms: 28 Similar and Opposite Words

unserious

adjective

Definition of unserious

as in unimportant

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Dissimilar Words

Example Sentences

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Recent Examples of unserious Republicans criticized Democrats for pushing an unserious list of demands. — Ximena Bustillo, NPR, 9 June 2026 The latter is especially a shame, as the scenes following RuPaul’s President Judy Gagwell are the closest the purposefully unserious film comes to approaching pointed satire. — Wilson Chapman, IndieWire, 9 June 2026 Gabbard was widely regarded as an unserious leader and political loyalist. — Shane Harris, The Atlantic, 2 June 2026 Kids and adults at the matchup leaned more toward the unserious side of baseball. — Kansas City Star, 31 May 2026 See All Example Sentences for unserious

Recent Examples of Synonyms for unserious

Adjective

Wright agrees that the findings shouldn’t be interpreted to mean that omega-3s are unimportant for the brain.

— Mira Miller, Verywell Health, 14 July 2026
But that’s unimportant, Kelleher says, because other market participants are reading them.

— Business Columnist, Los Angeles Times, 8 July 2026

Definition of unimportant

Adjective

The board called the lawsuit frivolous and said Heap was wasting taxpayer money.

— Josh Kelety, Los Angeles Times, 16 July 2026
By contrast, to invoke Rule 11 the asserted cause of action has to be frivolous, meaning that there is literally no credible evidence and/or no legal authority to assert the cause of action.

— Jay Adkisson, Forbes.com, 10 July 2026

Definition of frivolous

Adjective

The poet begins to lose faith in his subject—why write about such a trivial matter as Europe descends into war?

— Literary Hub, Literary Hub, 17 July 2026
An industry-wide standard Microsoft invented to protect Windows, and later Linux, devices from firmware infections has been trivial to bypass for 13 of its 14 years of existence.

— Dan Goodin, ArsTechnica, 14 July 2026

Definition of trivial

Adjective

The weight penalty over the coupe is about 198 pounds, which is not insignificant, though the complex folding system can open and close the top in just 14 seconds at up to 30 mph.

— Jerry Perez, The Drive, 15 July 2026
Although stories of vanishing planes and people are still linked to the myth of the Bermuda Triangle, researchers have concluded that the number of disappearances is relatively insignificant.

— Andrea Romano, Travel + Leisure, 15 July 2026

Definition of insignificant

Adjective

She’s seen during a dance rehearsal, a silly social media clip, and onstage from their Lollapalooza set, the latter of which came before her announcement in February to step away from Katseye.

— Jaeden Pinder, Rolling Stone, 15 July 2026
Starring British comedy favourites such as Kevin Eldon and Miranda Hart, Hyperdrive is a very silly show that ended up more like a workplace sitcom in space rather than the next Red Dwarf.

— William Worrall, Space.com, 15 July 2026

Definition of silly

Adjective

In a video shared to Instagram on Thursday, July 16, the actress, 47, fluffs her new light blonde locks before making a heart with her hands.

— Catherine Santino, PEOPLE, 21 July 2026
Moths prefer pale and light-colored flowers because these blossoms reflect moonlight much better and are easier for moths to find in the dark.

— Kurt Snibbe, Oc Register, 21 July 2026

Definition of light

Adjective

The division charged with keeping a handle on parasitic diseases had already been small, with only a few employees designated to parasite work.

— Blake Ellis, CNN Money, 20 July 2026
When states lose the authority to set their own food safety and agricultural standards, consumers and small farmers pay the price.

— Voice of the People, New York Daily News, 19 July 2026