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 Near the speed of light, durations of time dilate and lengths appear to contract along the direction of motion in a velocity-dependent way, with each unique observer seeing different values. Big Think, 5 Nov. 2025 To heal, the body releases a range of substances (mainly hormones and inflammatory molecules) that dilate blood vessels to help blood and immune cells reach the injured tissue. Julia Ries Wexler, Outside, 16 Oct. 2025 Pupils dilate, breathing accelerates, heart rate and blood pressure rise. Jennifer Borresen, USA Today, 15 Oct. 2025 Doctors gave her Pitocin, a medication used to provoke contractions, and a Foley balloon, which is a catheter-​like device that gets the cervix to dilate. Hannah Sacks, PEOPLE, 14 Oct. 2025 See All Example Sentences for dilate
Recent Examples of Synonyms for dilate
Verb
  • The fragile skeleton of her ego threatened to snap under the pressure of the animal forces that pressed down on her consciousness, her narrative mind sagging and distended beneath pitiless and grandiose feeling.
    Mary Ann Grossmann, Twin Cities, 11 Jan. 2026
  • In the last 20 days, their belly will appear distended, and their nipples and breast tissue will be noticeably swollen.
    Maria Azzurra Volpe, MSNBC Newsweek, 17 Nov. 2025
Verb
  • The agency also moved to crack down on aggressive coding practices that can inflate payments.
    Annika Kim Constantino, CNBC, 28 Jan. 2026
  • Bezos also owns aerospace company Blue Origin and the Washington Post, and carries a portfolio of significant investments in companies like Uber, Airbnb, and Workday, which also inflate his net worth.
    Sydney Lake, Fortune, 28 Jan. 2026
Verb
  • Winds will also increase, especially at the coast, gusting between 25- 35 mph at times.
    Matthew Villafane, CBS News, 25 Jan. 2026
  • Future Amazon Leo satellites are expected to orbit at lower altitudes of around 366 miles (590 km), which will further increase their brightness.
    Tereza Pultarova, Space.com, 25 Jan. 2026
Verb
  • This innovative approach not only speeds the design process but also frees up designers to focus on more creative tasks, demonstrating how AI can be used as a tool to augment human creativity rather than replace it.
    Li Jun, Footwear News, 11 Jan. 2026
  • Powell levels could be augmented by Upper Basin contributions to protect infrastructure.
    Debra Utacia Krol, AZCentral.com, 10 Jan. 2026
Verb
  • Jennie headlined Coachella as a solo artist while expanding her fashion ventures.
    Hannah Abraham, Forbes.com, 27 Jan. 2026
  • In recent years, auction houses have expanded their categories as luxury goods and collectibles have helped buoy their sales.
    Jacqui Palumbo, CNN Money, 27 Jan. 2026
Verb
  • Trump appears to driven by a desire to enlarge America on the map.
    Mujtaba Rahman, Time, 7 Jan. 2026
  • So Great After baking with the heavy cream, the cinnamon rolls become extra enlarged, moist, and gooey.
    Kaitlyn Yarborough, Southern Living, 29 Dec. 2025
Verb
  • Side effects reported from Adam’s first human trial included mild bruising and swelling from the procedure, though these were minimal and resolved within 24 hours.
    Ana Castelain, Bloomberg, 28 Jan. 2026
  • Interconnection queues have swelled to historic levels, with gigawatts of ready-to-build generation projects waiting years for grid connection studies and upgrades.
    Jon Markman, Forbes.com, 27 Jan. 2026
Verb
  • The race to commercialize perovskite technology has accelerated rapidly in recent years.
    Mrigakshi Dixit, Interesting Engineering, 12 Jan. 2026
  • The transfer portal, which opened Friday, allows programs to accelerate the rebuilding process and replace departing players — more than 20 in Florida’s case.
    Edgar Thompson, The Orlando Sentinel, 11 Jan. 2026

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Cite this Entry

“Dilate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dilate. Accessed 31 Jan. 2026.

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