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 The second drug, misoprostol, taken 24 to 48 hours later, causes the uterus to contract and dilate the cervix, which will expel the embryo. Arthur Jones Ii, ABC News, 14 Jan. 2026 For instance, if a listener’s pupils dilate unnaturally during a conversation, signifying strain, the hearing aid could automatically engage a more aggressive noise suppression mode or narrow its directional microphone beam. IEEE Spectrum, 7 Jan. 2026 Pomegranates are rich in polyphenols, which may dilate blood vessels and lower blood pressure. Carrie Madormo, Verywell Health, 23 Dec. 2025 Heat applied to the body tends to dilate blood vessels, which improves blood flow, according to Highett Podiatry. Hillary Maglin, Travel + Leisure, 18 Dec. 2025 See All Example Sentences for dilate
Recent Examples of Synonyms for dilate
Verb
  • Boxing scenes in movies, other than in a handful of classics, tend to start to look all the same, a mishmash of beads of sweat and blood and jowels distended, all fists flying and battering as two men catapult and careen across the ring.
    Ryan Lattanzio, IndieWire, 19 Mar. 2026
  • My stomach wasn't distended anymore.
    Deirdre Bardolf, FOXNews.com, 19 Feb. 2026
Verb
  • After doing its own audit from the election, a local citizens group has claimed the county’s tally was falsely inflated by more than 45,000 votes.
    Grace Toohey, Los Angeles Times, 8 Apr. 2026
  • Connecticut officials long have countered that hospitals inflate the cost of providing services to offset, a least in part, insufficient Medicaid rates.
    Keith M. Phaneuf, Hartford Courant, 8 Apr. 2026
Verb
  • The list of measures in the statement touches on ties that China had suspended in recent years as tensions increased.
    ABC News, ABC News, 12 Apr. 2026
  • Crews also removed a wooden timber debris screen in front of one of the dam's gates to help increase water flow through it.
    Nick Lentz, CBS News, 11 Apr. 2026
Verb
  • This is the first of a new type of rideshare program flying to that orbit that augments SpaceX’s Transporter program that flies to SSO.
    Richard Tribou, The Orlando Sentinel, 11 Apr. 2026
  • Some may also use it to augment care on the overnight shift, when staffing may be slimmer.
    Jen Christensen, CNN Money, 9 Apr. 2026
Verb
  • Its owners have expanded their impact and influence to the nearby community to limit development and maintain its cultural identity, which includes restoring and caring for the historic stone buildings from the salt trade era.
    Condé Nast, Condé Nast Traveler, 7 Apr. 2026
  • This will expand affordable rental options and enable home repairs, solar installations and energy upgrades.
    Chase Jordan April 7, Charlotte Observer, 7 Apr. 2026
Verb
  • Khamsi cites the example of hemimegalencephaly, a rare disorder in which half of the brain is abnormally enlarged.
    Jerome Groopman, New Yorker, 6 Apr. 2026
  • Contemporary metal windows were taken out in favor of broad panes of glass framed by wood and a skylight above the stairs was enlarged, showing ways to bring more light into the dark townhomes they were sometimes tapped to reimagine.
    Adriane Quinlan, Curbed, 2 Apr. 2026
Verb
  • When the company was in production, the building swelled with hundreds of employees, including personnel from Kelvin Optical, its in-house visual effects company.
    Borys Kit, HollywoodReporter, 7 Apr. 2026
  • Signs that a battery is about to fail include swelling, hissing, popping, an unusual odor and excessive heat, according to a New York Division of Homeland Security battery consumer guide.
    Fedor Zarkhin, Los Angeles Times, 6 Apr. 2026
Verb
  • The scrutiny of fame has always been dehumanizing, though the ubiquity of the modern-day comment section has surely accelerated and exaggerated its cruelty.
    Amanda Petrusich, New Yorker, 13 Apr. 2026
  • Members of the first group will be fine even as college closures accelerate.
    Jeffrey Selingo, The Atlantic, 12 Apr. 2026

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Cite this Entry

“Dilate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dilate. Accessed 13 Apr. 2026.

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