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 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 Amlodipine Amlodipine is used to treat high blood pressure by blocking the entry of calcium into the blood vessels, which dilates them and reduces blood pressure. Mira Miller, Verywell Health, 25 Aug. 2025 Upon examination, the patient's eyes were bloodshot and his pupil was fixed and dilated. Sabienna Bowman, People.com, 21 Aug. 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
  • The effect is to both collapse and distend time until all the souls in the book, most of them nameless anyway, exist at the same time, in the same place, forever.
    Emily Temple, Literary Hub, 3 Mar. 2025
  • The pup’s abdomen was firm and distended.
    Terry Castleman, Los Angeles Times, 27 Feb. 2025
Verb
  • Its supply is fixed, so it can’t be inflated at will.
    Luke Xie, MSNBC Newsweek, 10 Oct. 2025
  • Traders, fearful of missing out on the rally, are piling into equities in a way reminiscent of the 1990s, when a feeding frenzy on early internet companies inflated the market right before the bursting of the dot-com bubble.
    Sarah Min, CNBC, 10 Oct. 2025
Verb
  • The 21st century’s computer generated gore Around the turn of the millennium, filmmakers turned to CGI to augment their fake blood, adjusting the colors or make their splatter physics a little more convincing.
    Mark Hay, Popular Science, 9 Oct. 2025
  • Longoria continued her ivory color scheme with a clutch, and augmented her look with warm tones thanks to her small gold hoop earrings and strappy gold sandal heels.
    Julia Teti, Footwear News, 9 Oct. 2025
Verb
  • Thus, even if a farmer primarily relied on corn for sustenance and/or trade, planting beans and squash alongside the maize increased the nutritive value of the same area.
    JSTOR Daily, JSTOR Daily, 14 Oct. 2025
  • The alliance should also increase its training with an eye toward degrading or destroying the Kaliningrad facilities should direct hostilities break out.
    James Stavridis, Twin Cities, 13 Oct. 2025
Verb
  • The nursery did well, so Kids Planet began to expand.
    Rebecca Ann Hughes, Fortune, 9 Oct. 2025
  • The team plans to expand the research to evaluate inhaler emissions in specific patient groups, such as Medicaid recipients, and to compare clinical outcomes of low- and high-emission inhalers in the same therapeutic class.
    Alexandra Koch, FOXNews.com, 8 Oct. 2025
Verb
  • Testosterone can increase the chances of the prostate becoming enlarged, causing blockage of urine.
    Shiv Sudhakar, FOXNews.com, 4 Oct. 2025
  • Other potentially concerning changes including nipple discharge, pain or swelling in their breast, changes in the color of the nipple or breast, the nipple turning inward, painful or enlarged lymph nodes in the armpits or near the collarbone, or redness or flaky skin on the breast.
    Katia Hetter, CNN Money, 1 Oct. 2025
Verb
  • The country’s declining birthrate means a shrinking workforce saddled with supporting a swelling elderly population.
    Hanako Montgomery, CNN Money, 11 Oct. 2025
  • But while the Spartans swelled with early confidence, the Bruins’ didn’t quite blink.
    Ira Gorawara, New York Times, 11 Oct. 2025
Verb
  • With the right guardrails, integrating AI and other emerging technologies can help boards decode complex issues faster, accelerate upskilling, and enhance decision-making.
    Lara Abrash, Fortune, 11 Oct. 2025
  • Such access, Su explained, accelerates the development of AI tools in areas like healthcare and emotional support.
    Bojan Stojkovski, Interesting Engineering, 11 Oct. 2025

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Cite this Entry

“Dilate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dilate. Accessed 15 Oct. 2025.

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