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as in thick
not having or showing an ability to absorb ideas readily she accused him of being dense when he didn't seem to understand her at first

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How does the adjective dense contrast with its synonyms?

Some common synonyms of dense are crass, dull, dumb, and stupid. While all these words mean "lacking in power to absorb ideas or impressions," dense implies a thickheaded imperviousness to ideas.

too dense to take a hint

When can crass be used instead of dense?

The words crass and dense can be used in similar contexts, but crass suggests a grossness of mind precluding discrimination or delicacy.

a crass, materialistic people

When might dull be a better fit than dense?

While the synonyms dull and dense are close in meaning, dull suggests a slow or sluggish mind such as results from disease, depression, or shock.

monotonous work that leaves the mind dull

When would dumb be a good substitute for dense?

The meanings of dumb and dense largely overlap; however, dumb applies to an exasperating obtuseness or lack of comprehension.

too dumb to figure out what's going on

When is it sensible to use stupid instead of dense?

The words stupid and dense are synonyms, but do differ in nuance. Specifically, stupid implies a slow-witted or dazed state of mind that may be either congenital or temporary.

stupid students just keeping the seats warm
stupid with drink

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 dense The method places dense computational points in critical areas, avoiding the gaps and accuracy losses common in traditional simulations. Atharva Gosavi, Interesting Engineering, 8 Sep. 2025 The darkest red and black features highlight the densest, most gas-rich star-forming regions. Ethan Siegel, Big Think, 8 Sep. 2025 Cortical thickness in bones refers to the measurement of the outer, dense layer of bone tissue, which is an indicator of bone strength and density. New Atlas, 8 Sep. 2025 Its inner space is dense with filaments of tubulin and actin, another protein that plays a similar skeletal role. Veronique Greenwood, Quanta Magazine, 8 Sep. 2025 See All Example Sentences for dense
Recent Examples of Synonyms for dense
Adjective
  • On crowded factory floors, machines must share space with each other and with obstacles while working at high speed.
    Aamir Khollam, Interesting Engineering, 4 Sep. 2025
  • The evening included readings of erotic poetry by James Massiah and Adult Entertainment, sensual cocktails canapés by Heal Goblin, as well as beers and cans of water for those who couldn’t get into the crowded venue that poured out onto the street.
    Hikmat Mohammed, Footwear News, 4 Sep. 2025
Adjective
  • Because of that, thick fire walls were installed throughout the plant's buildings.
    Eileen Falkenberg-Hull, MSNBC Newsweek, 4 Sep. 2025
  • The air was damp and listless and the heat was something to wade through, thick as molasses.
    Literary Hub, Literary Hub, 3 Sep. 2025
Adjective
  • Between flights, unpredictable weather, and a packed itinerary, vacations can come with a lot of variables.
    Rachel Trujillo, Travel + Leisure, 9 Sep. 2025
  • The outcome always felt in the balance, and Townsend was playing with unmatched attention on her, in a packed Louis Armstrong Stadium, on Labor Day weekend.
    The Athletic Tennis Staff, New York Times, 8 Sep. 2025
Adjective
  • Biden, who ended his bid for a second White House term 107 days before last year's election, has been relatively slow to move on presidential library planning compared with most of his recent predecessors.
    Arkansas Online, Arkansas Online, 7 Sep. 2025
  • With Parkinson’s, doctors implant electrodes in the brain that produce electrical impulses to disrupt the abnormal signals that cause tremors, stiffness and slow movement.
    Jen Christensen, CNN Money, 7 Sep. 2025
Adjective
  • American Airlines passengers who have tight connections to make could benefit from a new tool that was just introduced in Phoenix.
    Michael Salerno, AZCentral.com, 5 Sep. 2025
  • Rising prices, high rates, and economic uncertainty are combining to keep many aspiring homeowners on the sidelines, while those looking for homes contend with intense competition and tight supply.
    Nick Lichtenberg, Fortune, 5 Sep. 2025
Adjective
  • The reigning Super Bowl champs better hope that’s the dumbest thing that one of their players does this season.
    Parker Gabriel, Denver Post, 6 Sep. 2025
  • Sometimes, actors play a slightly dumber iteration of themselves; think James Van Der Beek in Don’t Trust the B in Apartment 23 and Liam Neeson in Life’s Too Short (a performance that got Neeson cast in this year’s The Naked Gun).
    Fran Hoepfner, Vulture, 5 Sep. 2025
Adjective
  • Ultimately, Barman envisions compact, microchip-scale quantum sensors.
    IEEE Spectrum, IEEE Spectrum, 4 Sep. 2025
  • These 5 compact picks stand out.
    Rebecca Morin, USA Today, 4 Sep. 2025
Adjective
  • The recent rash of CEOs Gone Wild is arguably even stupider than commonplace fraud, and a troubling sign that there continues to be a slippery slope of accountability for C-Suite leadership.
    Ian Chaffee, Fortune, 5 Sep. 2025
  • The accounts team logs in right on time, and the stupid dance of platitudes that precedes every meeting at every company around the world begins.
    Literary Hub, Literary Hub, 5 Sep. 2025

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Cite this Entry

“Dense.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dense. Accessed 10 Sep. 2025.

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