dilate

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 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 For the test, your provider will place drops in your pupils to dilate (widen) them, which gives a clearer view of your eye structures. Lindsay Curtis, Health, 10 Sep. 2025 As the images progress, the left pupil shrinks to a narrow black speck while the right eye remains normally dilated, giving the feline an unmistakably lopsided expression. Melissa Fleur Afshar, MSNBC Newsweek, 2 Sep. 2025 In dim light, cat pupils dilate into circles, humanizing their eyes. Tao Lin, Harpers Magazine, 20 Aug. 2025 See All Example Sentences for dilate
Recent Examples of Synonyms for dilate
Verb
  • Their belly will appear distended during the last 20 days of pregnancy, and their breast tissue will also be noticeably swollen.
    Maria Azzurra Volpe, MSNBC Newsweek, 30 Oct. 2025
  • The fear grew when her 1-year-old boy's belly started to distend and his ribs were pressed against his skin.
    Brad Schmitt, Nashville Tennessean, 19 Oct. 2025
Verb
  • Several academics and notable investors have credited the rise of passive investing with helping stabilize and inflate the stock market.
    Mark Dent, HubSpot, 7 Nov. 2025
  • Or that, even worse, it would be arbitrarily divided into episodes in order to inflate the view count and/or pander to short attention spans (Eywa wept).
    David Ehrlich, IndieWire, 7 Nov. 2025
Verb
  • The impact of the government shutdown increased as the Senate repeatedly failed to advance legislation to end the funding lapse.
    Arkansas Online, Arkansas Online, 11 Nov. 2025
  • Last year, Reuters reported that the government was preparing to increase usage of crypto assets in its oil exports to overcome the US sanctions.
    Stefano Pozzebon, CNN Money, 11 Nov. 2025
Verb
  • Japanese maple trees can also be planted in a container filled with a quality potting mix augmented with compost and sharp sand.
    Luke Miller, Better Homes & Gardens, 6 Nov. 2025
  • Intelligent machines augment intelligent humans, driving a geometric expansion of what humans can do.
    Reed Albergotti, semafor.com, 6 Nov. 2025
Verb
  • In addition to WeRide and Pony AI, Baidu is also expanding its robotaxi offerings through its Apollo Go vehicles.
    Sydney Lake, Fortune, 6 Nov. 2025
  • That includes a new and robust collaboration with Brazil’s federal government and 22 of its states—including Pará—to expand cooperation on climate action.
    MSNBC Newsweek, MSNBC Newsweek, 6 Nov. 2025
Verb
  • Orbán, however, denied this, claiming that the Croatian government would need to enlarge the pipeline to meet Hungary’s needs.
    Christian Edwards, CNN Money, 7 Nov. 2025
  • With several brands relocating to the expansion, others in older sections such as Prada, Balenciaga, Saint Laurent and Brioni, will be able to enlarge their shops.
    David Moin, Footwear News, 6 Nov. 2025
Verb
  • As the day wears on, the crowd swells to a formidable throng.
    Rhea Mogul, CNN Money, 9 Nov. 2025
  • Per BrightOcular, potential complications include infections, high pressure in the eye, glaucoma, inflammation of the iris, swelling in the cornea, loss of cells around the cornea, deterioration of the iris and more.
    Raven Brunner, PEOPLE, 8 Nov. 2025
Verb
  • The researchers emphasized that policy support is crucial for accelerating this transition and building a robust recycling system.
    Jijo Malayil, Interesting Engineering, 8 Nov. 2025
  • Business leaders say that such policies risk accelerating an exodus of companies, diminishing the city’s commercial tax base, and ultimately affecting services and jobs essential to millions of New Yorkers.
    Hollie Silverman, MSNBC Newsweek, 8 Nov. 2025

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Cite this Entry

“Dilate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dilate. Accessed 12 Nov. 2025.

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