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 These can help dilate your blood vessels and improve blood flow. Sherri Gordon, Health, 4 May 2026 Where spatial curvature is large, the deviations from straight-line paths are large, and the rate at which time passes can dilate significantly as well. Big Think, 24 Mar. 2026 Confronted with the sudden increase in heat, your cardiovascular system is put to the test – blood vessels dilate, heart rate increases and blood gets pushed to your skin, where it can be cooled more easily by sweat. Will Stone, NPR, 6 Mar. 2026 In the later stages, skin will turn blue, pupils will dilate, and pulse and breathing slow. Brayden Garcia january 21, Fort Worth Star-Telegram, 21 Jan. 2026 See All Example Sentences for dilate
Recent Examples of Synonyms for dilate
Verb
  • Fiber slows gastric emptying, making the stomach more distended.
    Amy Brownstein, Verywell Health, 27 May 2026
  • In his songs, the English language turned woolier and more expressionistic; musical space-time distended and stretched.
    New York Times, New York Times, 28 Apr. 2026
Verb
  • The stats are certainly inflated by the spacing and pace of Alabama’s offense, but Philon had a terrific season.
    John Hollinger, New York Times, 24 June 2026
  • Critics argue the changes violate the constitutional separation of church and state, inflate the role of Christianity in the nation’s history and favor it over other religions.
    ABC News, ABC News, 24 June 2026
Verb
  • Your visibility increases with the start of Cancer season.
    USA TODAY, USA Today, 21 June 2026
  • Health officials said the risk of exposure could increase as summer travel ramps up and Los Angeles welcomes international visitors for FIFA World Cup events being held in the region.
    Brittany Miller, FOXNews.com, 20 June 2026
Verb
  • The technology is designed to act as a co-pilot, augmenting rather than replacing the training, professionalism and instinct of experienced emergency personnel.
    Alison Coleman, Forbes.com, 21 June 2026
  • 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, 17 June 2026
Verb
  • Love’s Travel Stops just expanded its service offerings for RVs, including light maintenance, battery replacement and tire replacement.
    Eve Chen, USA Today, 23 June 2026
  • California's new personal finance graduation requirement The lessons come as California prepares to expand financial education statewide.
    Conor McGill, CBS News, 23 June 2026
Verb
  • At least that seems to be the message from our winners this year in aviation, where the focus is just as much on technology gains and cabin refinement as on enlarging the airframe.
    Michael Verdon, Robb Report, 18 June 2026
  • And if that doesn’t work out, please enlarge your circle of friends.
    Jeanne Phillips, Mercury News, 17 June 2026
Verb
  • Sense of place The river — which swells with spring snowmelt — and surrounding wilderness give the property a strong sense of place.
    David Caraccio, Sacbee.com, 23 June 2026
  • Symptoms can be mild to severe and range from nausea, itching, abdominal pain, swelling of the lips to life-threatening symptoms such as wheezing, shortness of breath and difficulty breathing.
    Omer Awan, Forbes.com, 23 June 2026
Verb
  • Britain's revolving door of prime minister, affecting both Labour and Conservative parties, accelerated in the wake of the 2016 Brexit vote to leave the European Union economic bloc.
    Kim Hjelmgaard, USA Today, 22 June 2026
  • And the pace of technology change is only accelerating.
    Rob Toews, Forbes.com, 22 June 2026

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Cite this Entry

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

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