dilate

Definition of dilatenext

Synonym Chooser

How does the verb dilate differ from other similar words?

Some common synonyms of dilate are amplify, distend, expand, inflate, and swell. While all these words mean "to increase in size or volume," dilate applies especially to expansion of circumference.

dilated pupils

When is amplify a more appropriate choice than dilate?

In some situations, the words amplify and dilate are roughly equivalent. However, amplify implies the extension or enlargement of something inadequate.

amplify the statement with details

When can distend be used instead of dilate?

The words distend and dilate are synonyms, but do differ in nuance. Specifically, distend implies outward extension caused by pressure from within.

a distended abdomen

Where would expand be a reasonable alternative to dilate?

Although the words expand and dilate have much in common, expand may apply regardless of the manner of increase (such as growth, unfolding, addition of parts).

a business that expands every year

When is it sensible to use inflate instead of dilate?

The synonyms inflate and dilate are sometimes interchangeable, but inflate implies expanding by introduction of air or something insubstantial and suggests a vulnerability to sudden collapse.

an inflated ego

When would swell be a good substitute for dilate?

The words swell and dilate can be used in similar contexts, but swell implies gradual expansion beyond a thing's original or normal limits.

the bureaucracy swelled to unmanageable proportions

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 dilate As the polymer expands, the tiny pores dilate, allowing larger molecules to slip through. Mrigakshi Dixit, Interesting Engineering, 18 June 2026 If a cheap pair reduces visible light but fails to block ultraviolet rays properly, the pupil can dilate in response to the darker tint while still allowing harmful UV exposure through. Kate Hardcastle, Forbes.com, 10 June 2026 Glucose is released into the bloodstream to provide energy, and blood vessels dilate and increase flow to muscles. Charlotte Harpur, New York Times, 3 June 2026 There are a few different ways in which magnesium helps to lower blood pressure, mostly through allowing arteries to relax and dilate. Jennifer Berger, Verywell Health, 1 June 2026 See All Example Sentences for dilate
Recent Examples of Synonyms for dilate
Verb
  • But the groaning synthesizer underneath her bashful smile tells you something is off — a crystalline tone now distended, unnerving.
    Los Angeles Times, Los Angeles Times, 21 July 2026
  • Fiber slows gastric emptying, making the stomach more distended.
    Amy Brownstein, Verywell Health, 27 May 2026
Verb
  • Air enters through openings in the leading edge of the canopy as the pilot moves forward, inflating the wing and generating lift as air flows over its aerofoil shape.
    New Atlas, New Atlas, 4 Sep. 2026
  • Powered by a large battery, during a lunar mission the robot would inflate itself and charge up from a robotic rover at the edge of a crater before heading out on its own.
    IEEE Spectrum, IEEE Spectrum, 3 Sep. 2026
Verb
  • By increasing the carrier density in the neighbouring graphene bilayer, the team progressively weakened the Coulomb interactions between electrons in the magic-angle graphene.
    Neetika Walter, Interesting Engineering, 5 Sep. 2026
  • The cores or plugs removed from the lawn during aeration actually increase the success of overseeding by providing more direct contact between the seeds and the soil.
    Mary Marlowe Leverette, The Spruce, 4 Sep. 2026
Verb
  • In future windows, a younger, faster centre-back feels required to augment an ageing cohort, with Burn and Fabian Schar both 34 and only Malick Thiaw possessing much pace.
    Chris Waugh, New York Times, 3 Sep. 2026
  • Every solution is designed to augment human expertise rather than replace it, ensuring AI strengthens decision-making while maintaining accountability, transparency, and trust.
    Lyssanoel Frater, USA Today, 3 Sep. 2026
Verb
  • The View From Beijing In a departure from business strategies of the past, this current cohort of Chinese companies has a mandate to expand internationally, according to academic Karim Alwadi, based in Beijing.
    Kelsey Warner, semafor.com, 4 Sep. 2026
  • Opened on New Year’s Day in 1926, the hotel was expanded by famed society architect Maurice Fatio, who managed to maintain intimacy despite imposing a larger footprint.
    Lilah Ramzi, Vogue, 4 Sep. 2026
Verb
  • Efforts to enlarge and sharpen blurry name tags often failed.
    Christine Condon, Baltimore Sun, 7 Sep. 2026
  • Globe lamps use enlarged, globe-shape bulbs to light up a space.
    Yelena Moroz Alpert, Architectural Digest, 2 Sep. 2026
Verb
  • Each morning at the crack of dawn, in one of the great Instagram moments of our time, 165 enormous balloons begin to swell in Cappadocia's half-light, their burners briefly illuminating the valley floor.
    Scott Campbell, Condé Nast Traveler, 2 Sep. 2026
  • But the administration, led by Deputy Defense Secretary Steve Feinberg, has pushed ahead, recruiting bankers to help wield a loan authority that has swelled from $1 billion to $200 billion thanks to the recent Republican party-line tax bill.
    Eleanor Mueller, semafor.com, 2 Sep. 2026
Verb
  • Liu pointed to China’s 2025 Global AI Governance Action Plan, which calls for accelerating construction of clean power, next-generation networks, computing capacity and data centers.
    Efrat Lachter, FOXNews.com, 4 Sep. 2026
  • As a result, fewer researchers seek material that could accelerate innovation, and fewer countries are willing to share it.
    Anna Nelson, Foreign Affairs, 4 Sep. 2026

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Cite this Entry

“Dilate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dilate. Accessed 10 Sep. 2026.

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