Definition of vacuousnext
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as in dumb
not having or showing an ability to absorb ideas readily a movie that was enthusiastically derided for its vacuous dialogue

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How does the adjective vacuous contrast with its synonyms?

Some common synonyms of vacuous are blank, empty, vacant, and void. While all these words mean "lacking contents which could or should be present," vacuous suggests the emptiness of a vacuum and especially the lack of intelligence or significance.

a vacuous facial expression

When is it sensible to use blank instead of vacuous?

In some situations, the words blank and vacuous are roughly equivalent. However, blank stresses the absence of any significant, relieving, or intelligible features on a surface.

a blank wall

In what contexts can empty take the place of vacuous?

The meanings of empty and vacuous largely overlap; however, empty suggests a complete absence of contents.

an empty bucket

Where would vacant be a reasonable alternative to vacuous?

The words vacant and vacuous are synonyms, but do differ in nuance. Specifically, vacant suggests an absence of appropriate contents or occupants.

a vacant apartment

When would void be a good substitute for vacuous?

The synonyms void and vacuous are sometimes interchangeable, but void suggests absolute emptiness as far as the mind or senses can determine.

a statement void of meaning

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 vacuous In some ways, that Fennell’s Wuthering Heights is this vacuous and one-dimensional feels like progress. Sophie Gilbert, The Atlantic, 21 Feb. 2026 The reason for this is that the AI might otherwise go down a shallow pathway and only offer vacuous platitudes. Lance Eliot, Forbes.com, 14 Feb. 2026 Maybe John-John was a vacuous jock type, but even hunks have souls. Rafaela Bassili, Vulture, 13 Feb. 2026 After nearly a decade and five seasons, our storied, magical child hero falls to a vacuous cartoon villain. Stephen Clark, ArsTechnica, 7 Jan. 2026 See All Example Sentences for vacuous
Recent Examples of Synonyms for vacuous
Adjective
  • In a show mostly devoid of explicit messages, the sentiment surprised me.
    Max Norman, New Yorker, 25 June 2026
  • Players take on the role of a Ditto capable of mimicking its human trainer, and the Pokémon is thrown into a world devoid of humans.
    Gieson Cacho, Mercury News, 25 June 2026
Adjective
  • The State’s humor is an interesting mixture of extremely dumb and self-aware.
    Michael Schulman, New Yorker, 5 July 2026
  • Mayhem comes to a coastal New England town in the form of a killer shark who hunts anybody dumb enough to get in the water.
    Brian Truitt, USA Today, 1 July 2026
Adjective
  • Rhaenyra’s first shock as queen is learning of her empty coffers.
    Erik Kain, Forbes.com, 6 July 2026
  • At least one tanker that has sat waiting empty for months near South Africa is already heading towards Hormuz.
    Weilun Soon, Fortune, 5 July 2026
Adjective
  • And no, that was NOT OutKick or FOX who wrote that stupid headline.
    Zach Dean OutKick, FOXNews.com, 3 July 2026
  • The thing about House of the Dragon is that everything really is quite stupid.
    Nicholas Quah, Vulture, 29 June 2026
Adjective
  • The fires eviscerated many of the plants and trees in and around the burn zones, leaving behind barren lots and charred swaths of parkland.
    Connor Sheets, Los Angeles Times, 26 June 2026
  • There are quite a few interesting options this summer, especially compared to last year’s barren goalie landscape that was headlined by veteran backups.
    Jesse Granger, New York Times, 25 June 2026
Adjective
  • There was no repeat of the slow start that cost him a spot last season.
    Abbey Mastracco, New York Daily News, 5 July 2026
  • The house old-fashioned can be made with bourbon or gin and is a much slower sip.
    Blair Crosby, AJC.com, 5 July 2026
Adjective
  • As for the volunteers, the goal is simple—help someone stay safe before the heat turns into an emergency.
    Marissa Sulek, CBS News, 1 July 2026
  • Evidence for at-home tools is thinner than for professional manual drainage, but the simplest options can offer mild circulation and surface-lymph support at a low price.
    Allison Palmer, Miami Herald, 30 June 2026
Adjective
  • The combination makes strands thicker, fuller, stronger, frizz-free, and softer—and thus, longer with less shedding and breakage.
    Tamim Alnuweiri, InStyle, 2 July 2026
  • The brown, round cookie has arms and legs, one eyebrow thicker than the other, and one buck tooth.
    Laura Sirikul, Forbes.com, 2 July 2026

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Cite this Entry

“Vacuous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vacuous. Accessed 7 Jul. 2026.

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