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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 Enclosed by barriers and protected by African guards who call out to each other like a Greek chorus, the headquarters that house Horn, Cal, and his team operates as a vacuous black hole of containers and equipment. Vikram Murthi, IndieWire, 10 Sep. 2025 Gavras, working from a script he co-wrote with Pulitzer-finalist playwright Will Arbery, seems to be poking fun at the vacuous postures of the oligarch class, just as Ruben Östlund and many other filmmakers have in recent years. Richard Lawson, HollywoodReporter, 7 Sep. 2025 Malvolio’s sneering high-handedness enrages the hedonistic members of Olivia’s household: her drunken cousin, Sir Toby Belch (John Ellison Conlee); his vacuous buddy Andrew Aguecheek (Jesse Tyler Ferguson); and her saucy maid, Maria (Daphne Rubin-Vega). Helen Shaw, New Yorker, 22 Aug. 2025 Fallon, for his part, plays his usual role of affable if vacuous host. Hershal Pandya, Vulture, 8 Aug. 2025 See All Example Sentences for vacuous
Recent Examples of Synonyms for vacuous
Adjective
  • Banking has become functionally correct but emotionally devoid, with the industry swimming in a sea of sameness.
    Michael Abbott, Forbes, 19 Mar. 2025
  • That devoid ingredient hindered things exponentially.
    Roderick Boone, Charlotte Observer, 15 Feb. 2024
Adjective
  • But also these dumb things, from another perspective, can have a certain type of digital trashy poetry.
    Andy Crump, Time, 31 Oct. 2025
  • The bounty hunter kills some random dudes who are dumb enough to cross him and steals a Falka doll from some little girls who have adopted the Rats as folk heroes.
    Scott Meslow, Vulture, 30 Oct. 2025
Adjective
  • Demi would love it if Tim didn’t leave quite so many empty zero-sugar soda cans around the home.
    Belinda Luscombe, Time, 3 Nov. 2025
  • By virtue of their relative scarcity—there have been eight empty-the-tank outings since the century began—every Game 7 is an unqualified treat, but the Dodgers’ clinch was one for the ages.
    Anthony Crupi, Sportico.com, 3 Nov. 2025
Adjective
  • And that’s a stupid, dumb, mindless question.
    Lisa Gutierrez, Kansas City Star, 25 Oct. 2025
  • Dessert Week is the stupidest week, at least conceptually.
    Brian Moylan, Vulture, 24 Oct. 2025
Adjective
  • The barren Martian landscape stretches as far as the eye can see, interrupted only occasionally by the faintest of tire tracks marking the unpaved road on Libya’s north-south route.
    Mick Krever, CNN Money, 6 Nov. 2025
  • In the wild, macaques can traverse miles of novel terrain each week and socialize through grooming, but in many laboratories they are isolated in barren cages no bigger than a washing machine.
    Ava Kofman, New Yorker, 3 Nov. 2025
Adjective
  • Tiles also exhibited hysteresis, which was smaller at slower speeds due to the rubber’s viscoelastic properties, as reported by Nanowerk.
    Jijo Malayil, Interesting Engineering, 2 Nov. 2025
  • Levi, an electrical engineer who founded MicroKits in 2020, has had to raise prices, slow production and pause plans to launch a new product – Banan-a-Synth – that lets kids turn a bunch of bananas into a kind of keyboard.
    Maureen Groppe, USA Today, 2 Nov. 2025
Adjective
  • While House Republicans can pass legislation with a simple majority vote, Senate Republicans cannot advance most matters without meeting a 60-vote threshold.
    Arkansas Online, Arkansas Online, 26 Oct. 2025
  • But in stoppage time, Miami was gifted a third goal when Jordi Alba crossed from the left and keeper Willis, colliding with defender Walker Zimmerman, spilled the ball right to Messi, who had the simplest of tap-ins.
    The Athletic Staff, New York Times, 25 Oct. 2025
Adjective
  • The thick artificial foliage is pre-lit with warm white LED bulbs spaced through the entire length of the 10-foot piece.
    Kate McGregor, Architectural Digest, 5 Nov. 2025
  • With more than 38,000 gallons of fuel on board the cargo flight bound for Hawaii, the crash created a massive ball of fire – punctuated by smaller explosions from flammable material on the ground – and sent a towering plume of thick black smoke into the sky.
    Karina Tsui, CNN Money, 5 Nov. 2025

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Cite this Entry

“Vacuous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vacuous. Accessed 8 Nov. 2025.

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