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 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 Nitrate-rich vegetables like leafy greens and beets support nitric oxide production which dilates blood vessels. Allison Palmer, Miami Herald, 28 May 2026 Warming your feet causes blood vessels to dilate, which pulls heat away from your core. Allison Palmer, Kansas City Star, 13 May 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
  • Apple remains tethered to a September launch cadence because altering the timeline would destabilize TSMC silicon allocations, inflate pre-holiday cargo shipping costs, and disrupt carrier contract renewal cycles.
    Ewan Spence, Forbes.com, 10 Aug. 2026
  • According to Lu, Bo became increasingly suspicious that Wang, the project manager, had stolen from him by inflating construction costs.
    Hailey Wang, Los Angeles Times, 10 Aug. 2026
Verb
  • The kingdom has faced increasing attacks from the Houthis, who also declared a blockade on the al-Mandeb Strait in the Red Sea on July 20.
    Tim Lister, CNN Money, 15 Aug. 2026
  • Nor would increased options out wide and a central defender, The Athletic revealing earlier this week that a couple of bids have been rejected for Norway international centre-back Henrik Falchener, 23, from that country’s Viking Stavanger.
    Richard Sutcliffe, New York Times, 15 Aug. 2026
Verb
  • Meanwhile, Ukraine has already augmented its air defenses around Odesa and other ports, with videos showing aircraft, including an F-16 and a Yak-52, shooting down Geran-4s.
    Vikram Mittal, Forbes.com, 9 Aug. 2026
  • During the 2025 Operation Midnight Hammer strikes on Iranian nuclear sites, an Ohio-class boat was called upon to augment B-2 bomber strikes.
    Brad Lendon, CNN Money, 8 Aug. 2026
Verb
  • Investors have increasingly scrutinized the chipmaker’s expanding financial ties with major AI customers.
    Aamir Khollam, Interesting Engineering, 15 Aug. 2026
  • New business models such as Walmart supercenters, Costco warehouse clubs and Trader Joe’s specialty stores expanded the abundance further.
    Nathaniel Meyersohn, CNN Money, 15 Aug. 2026
Verb
  • The bet underneath it is that the risk calculus has inverted, and that the segment banks spent decades pricing as marginal is the one AI is about to enlarge.
    Boaz Sobrado, Forbes.com, 7 Aug. 2026
  • The maggots can cause painful, rapidly enlarging deep wounds, which can destroy muscle, cartilage, and bone—even the skull—if not caught quickly.
    Beth Mole, ArsTechnica, 7 Aug. 2026
Verb
  • The man — holding one bladed weapon in each hand — responded by walking down 41st Avenue away from a growing mass of officers, which quickly swelled from just a couple to at least 10.
    Jakob Rodgers, Mercury News, 13 Aug. 2026
  • As her pregnancy progressed, Kabita’s belly swelled while the rest of her remained gaunt.
    ABC News, ABC News, 13 Aug. 2026
Verb
  • The Pole accelerated on the stage’s fourth ascent of the Col d’Eze, but couldn’t open a gap.
    Jessica Hopkins, New York Times, 15 Aug. 2026
  • Local residents said some drivers spend hours revving their engines and accelerating modified vehicles along Woodward Avenue.
    Terell Bailey, CBS News, 14 Aug. 2026

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Cite this Entry

“Dilate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dilate. Accessed 19 Aug. 2026.

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