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 An autopsy found the cause of death was dilated cardiomyopathy, a disease of the heart muscle that can lead to heart failure, with morbid obesity listed as a contributing factor, according to prosecutors. — Anthony Thompson, USA Today, 27 June 2026 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 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
  • One thing that isn’t inflated or overexaggerated is the talent in UCF’s backfield, notably Louisville transfer Duke Watson, who is averaging 11 yards per carry and has 297 rushing yards.
    — Steven Johnson, Fort Worth Star-Telegram, 22 Sep. 2026
  • If their tax refund was inflated by claiming tax credits that don't apply to them, the taxpayer had to verify their ID first and then amend a return before any federal income tax refund could be issued.
    — Susan Tompor, Freep.com, 21 Sep. 2026
Verb
  • Repeating that process places significant stress on components, increasing operational and capital costs due to the risk of failure, maintenance requirements and downtime.
    — Prabhat Ranjan Mishra, Interesting Engineering, 26 Sep. 2026
  • Simply increasing your intake of legumes, which includes beans, may be an effective way to drop body fat.
    — Jillian Kubala, HEALTH, 25 Sep. 2026
Verb
  • Aftermarket devices that can boost or augment a vehicle’s native advanced driver assistance systems are the target of a new federal investigation this week.
    — Jonathan M. Gitlin, ArsTechnica, 23 Sep. 2026
  • There is also ample storage, augmented by a big walk-in pantry.
    — James Alexander, Hartford Courant, 20 Sep. 2026
Verb
  • Many legislators from both parties also have endorsed the use of state funds to expand energy assistance.
    — Keith M. Phaneuf, Hartford Courant, 26 Sep. 2026
  • School officials say the roughly 150,000-square-foot facility significantly expands ECC’s capacity to prepare students for careers in advanced manufacturing and other high-demand technical fields, with modern classrooms and labs.
    — Rick West, Chicago Tribune, 25 Sep. 2026
Verb
  • But what is the point of trying to enlarge our sympathies if a writer reserves such gestures for ethically perfect people?
    — Sanjena Sathian, Vulture, 22 Sep. 2026
  • Hassett, however, told CNBC that the government already plays a role that should not be enlarged.
    — Kevin Breuninger, CNBC, 15 Sep. 2026
Verb
  • The permanent population of the town is about 50 people, but can swell to about 200 during holidays.
    — Don Sweeney, Sacbee.com, 21 Sep. 2026
  • In paintings from that decade, Caland’s imagery of bodies swell, split, meld and dissolve.
    — Tara Anne Dalbow, Los Angeles Times, 21 Sep. 2026
Verb
  • The cancer is characterized by abnormal, accelerated growth of squamous cells, according to the foundation.
    — Staff Report, Hartford Courant, 26 Sep. 2026
  • Kenneth Walker backtracked five yards behind the line of scrimmage to sidestep a tackle, then reached the edge before breaking another, then accelerated downfield before breaking one more and, in the end, produced a 30-yard run.
    — Sam McDowell, Kansas City Star, 25 Sep. 2026

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Cite this Entry

“Dilate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dilate. Accessed 28 Sep. 2026.

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