FATUOUS Synonyms: 197 Similar and Opposite Words

Q: How is the word 'fatuous' different from other adjectives like it?

Some common synonyms of fatuous are asinine , foolish , silly , and simple . While all these words mean "actually or apparently deficient in intelligence," fatuous implies foolishness, inanity, and disregard of reality. // fatuous conspiracy theories

Q: When is it sensible to use 'asinine' instead of 'fatuous'?

In some situations, the words asinine and fatuous are roughly equivalent. However, asinine suggests utter and contemptible failure to use normal rationality or perception. // an asinine plot

Q: When is 'foolish' a more appropriate choice than 'fatuous'?

Although the words foolish and fatuous have much in common, foolish implies the character of being or seeming unable to use judgment, discretion, or good sense. // foolish stunts

Q: When would 'silly' be a good substitute for 'fatuous'?

While in some cases nearly identical to fatuous , silly suggests failure to act as a rational being especially by ridiculous behavior. // the silly antics of revelers

Q: When might 'simple' be a better fit than 'fatuous'?

The words simple and fatuous can be used in similar contexts, but simple implies a degree of intelligence inadequate to cope with anything complex or involving mental effort. // considered people simple who had trouble with computers

fatuous

adjective

ˈfa-chü-əs

Definition of fatuous

as in stupid

not having or showing an ability to absorb ideas readily the fatuous questions that the audience members asked after the lecture suggested to the oceanographer that they had understood little

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in foolish

showing or marked by a lack of good sense or judgment ignoring the avalanche warnings, the fatuous skiers continued on their way down the trail

Synonyms & Similar Words

Antonyms & Near Antonyms

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How is the word fatuous different from other adjectives like it?

Some common synonyms of fatuous are asinine, foolish, silly, and simple. While all these words mean "actually or apparently deficient in intelligence," fatuous implies foolishness, inanity, and disregard of reality.

fatuous conspiracy theories

When is it sensible to use asinine instead of fatuous?

In some situations, the words asinine and fatuous are roughly equivalent. However, asinine suggests utter and contemptible failure to use normal rationality or perception.

an asinine plot

When is foolish a more appropriate choice than fatuous?

Although the words foolish and fatuous have much in common, foolish implies the character of being or seeming unable to use judgment, discretion, or good sense.

foolish stunts

When would silly be a good substitute for fatuous?

While in some cases nearly identical to fatuous, silly suggests failure to act as a rational being especially by ridiculous behavior.

the silly antics of revelers

When might simple be a better fit than fatuous?

The words simple and fatuous can be used in similar contexts, but simple implies a degree of intelligence inadequate to cope with anything complex or involving mental effort.

considered people simple who had trouble with computers

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of fatuous The ongoing war between woke and anti-woke factions is a fatuous melodrama best left to the satirists. — Theater Critic, Los Angeles Times, 29 June 2026 This fatuous facial gesture is immediately relatable but also, as Locke discusses below, one that can be read in a number of different ways. — Andy Battaglia, ARTnews.com, 20 Nov. 2024 Schools must accept that mission statements without curriculum alignment are fatuous; the way schools define themselves is through the experience that flows from their curriculum. — Ray Ravaglia, Forbes, 1 Oct. 2024 See All Example Sentences for fatuous

Recent Examples of Synonyms for fatuous

Adjective

Doing so would be a stupid move for an Oval Office wannabe, one already hobbled by the progressive persona of the Golden State.

— Los Angeles Times, Los Angeles Times, 14 Oct. 2026
Republican Massachusetts Senate nominee John Deaton is not stupid.

— Jon Keller, CBS News, 14 Oct. 2026

Definition of stupid

Adjective

Soaking the suburbs over parking is reminiscent of other foolish, revenue-grabbing ideas, such as a congestion tax aimed at outsiders as a way to gin up money to cover Chicago’s ever-present budget black hole.

— The Editorial Board, Chicago Tribune, 1 Oct. 2026
With Oracle having lost more than $20 billion in stock-market value today, this appears to be penny-wise and pound foolish.

— Liz Hoffman, semafor.com, 24 Sep. 2026

Definition of foolish

Adjective

Wow, the brown Democratic candidate calling the white Republican candidate a dumb immigrant — California politics sure have changed!

— Los Angeles Times, Los Angeles Times, 7 Oct. 2026
His current employer is Damien Cantor, an authentically sleazy and slippery character who operates under no discernible code beyond indulging a dumb, preening narcissism.

— Scott Tobias, Vulture, 7 Oct. 2026

Definition of dumb

Adjective

But seeing my parents examining themselves in that way and connecting with people and putting themselves in vulnerable and silly and meaningful situations.

— Sarah Larson, New Yorker, 11 Oct. 2026
That scene was always the silliest in the American version, and its absence in the international edition was a wise choice.

— Jim Hemphill, IndieWire, 9 Oct. 2026

Definition of silly

Adjective

On winding roads, its model-specific suspension tuning and focus on weight reduction translate into exceptional body control at speed without becoming brittle or overly rigid in slower, more technical sections.

— Bradley Iger, Robb Report, 16 Oct. 2026
In particular, he was asked about Netflix’s slower growth (2% year-over-year growth in user engagement during the first half in 2026).

— Matt Donnelly, Variety, 16 Oct. 2026

Definition of slow

Adjective

This episode notably lacked any nod to Trump, though mentions of the president as a whole have been brief compared to the previous season, when the president was the show’s focal point for absurd antics.

— Payton Turkeltaub, Variety, 15 Oct. 2026
And Saturday’s win proved that his plan to pursue championships — something that seemed absurd amid a lost 2025 season — has a real possibility of paying off with one.

— Connor Dullinger, Los Angeles Times, 12 Oct. 2026

Definition of absurd

Adjective

First and foremost, as a homeowner myself the property taxes are insane and continue to go up.

— Stephen Korka, Sun Sentinel, 13 Oct. 2026
That may be the name of her next album, but Venus’ insane popularity also speaks to the way Metropia is moving forward, constantly looking for the next shiny thing.

— Kate Erbland, IndieWire, 10 Oct. 2026

Definition of insane

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“Fatuous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fatuous. Accessed 20 Oct. 2026.

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