fatuous

adjective

ˈfa-chü-əs How to pronounce fatuous (audio)
Definition of fatuousnext
1
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
2
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

Synonym Chooser

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
  1. stupid
  2. foolish
  3. dumb
  4. silly
  5. slow
  6. absurd
  7. simple
  8. insane
Adjective
  • Far too much coverage of declining trust in science — particularly the anti-vaccine movement — is predicated on the assumption that its adherents are either stupid or crazy.
    — Rick Berke, STAT, 19 Aug. 2026
  • The Dodge Durango Hellcat is the most accessible way to go stupid-fast in a three-row family car thanks to the Escalade V‘s high price tag.
    — Byron Hurd, The Drive, 13 Aug. 2026
Definition of stupid
Adjective
  • When his splitter is at its best, Cruz makes opposing hitters look foolish.
    — Chris Kirschner, New York Times, 26 Aug. 2026
  • But Americans would be foolish to think that Washington is anywhere near solving this problem.
    — Doug Beck, Foreign Affairs, 18 Aug. 2026
Definition of foolish
Adjective
  • America’s Semiquincentennial was celebrated across the country this summer with big, dumb, gluttonous fun.
    — Jessica Winter, New Yorker, 21 Aug. 2026
  • But the attention on Cunningham’s comments, the contrived outrage over a fictional trans athlete draft and dumb stunts by former NBA players may have helped drive more folks toward watching the league’s games.
    — Lorraine Ali, Los Angeles Times, 19 Aug. 2026
Definition of dumb
Adjective
  • Of course, challenges immediately present themselves, the silliest of which belongs to Samir and Paul Baker.
    — Ben Rosenstock, Vulture, 28 Aug. 2026
  • In practice, a black-and-white hunk of metal sprinting into a wall looks silly.
    — Mary Randolph, Scientific American, 25 Aug. 2026
Definition of silly
Adjective
  • Reseeding helps block weed growth, repel lawn diseases, slow soil erosion, and strengthen growth in bare patches.
    — Mary Marlowe Leverette, The Spruce, 29 Aug. 2026
  • Critical thinking is based on the need for a deliberate, slow, self-regulatory pause.
    — Ted Ladd, Forbes.com, 29 Aug. 2026
Definition of slow
Adjective
  • The roster might as well be an All-Star team, and this pitching staff is absurd.
    — David Troy OutKick, FOXNews.com, 26 Aug. 2026
  • The very idea of a trade war with Canada — our neighbor, our ally, our closest friend, a nation that’s peaceful and whose people have a reputation for kindness — is absurd.
    — Robert B. Reich, Hartford Courant, 25 Aug. 2026
Definition of absurd
Adjective
  • It’s still built with comfort in mind, thanks to the flowy material and stretchy elastic waistbands of the pants and top, but has a simple cut that can be dressed up or down easily.
    — Amelia McBride, Travel + Leisure, 2 Sep. 2026
  • This converts touch from a simple collision-detection mechanism into an active source of information for aerial navigation, positioning, and grasp control.
    — Jijo Malayil, Interesting Engineering, 1 Sep. 2026
Definition of simple
Adjective
  • The new season has been absolutely insane through four episodes as the hunt to save Joe (Zoe Saldaña) from her kidnappers is underway.
    — David Hookstead OutKick, FOXNews.com, 25 Aug. 2026
  • If Gigi is malintentioned and insane and a homewrecker, there’s no story, right?
    — Hilary Lewis, HollywoodReporter, 25 Aug. 2026
Definition of insane

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Cite this Entry

“Fatuous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fatuous. Accessed 2 Sep. 2026.

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