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 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
  • 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
Verb
  • Beating New England was legitimately impressive -- especially in hindsight -- but the victories over the Jets, Vikings and Browns inflated this team's record.
    Tyler Everett, MSNBC Newsweek, 24 Oct. 2025
  • In total, Alex was found to have embezzled more than $6 million from at least two dozen clients, inflating fees or expenses and diverting settlement money into his own accounts, per PBS.
    Samantha Stutsman, PEOPLE, 22 Oct. 2025
Verb
  • Created in partnership with the bionic footwear and apparel brand Dephy, the next-gen design is engineered to augment natural lower-leg and ankle movement, providing extra power for everyday exercise.
    Rachel Cormack, Robb Report, 24 Oct. 2025
  • Queen Camilla augmented her monochrome attire with sheer black tights and a pair of Eliot Zed black suede pumps with a leather toe cap.
    Julia Teti, Footwear News, 23 Oct. 2025
Verb
  • The cuts come after Chegg in May laid off 22% of its workforce, citing increasing adoption of AI.
    Annie Palmer, CNBC, 28 Oct. 2025
  • With increasing space traffic from various nations and private companies, keeping tabs on potential collisions and threats becomes crucial.
    Literary Hub, Literary Hub, 28 Oct. 2025
Verb
  • When a snowstorm blows up suddenly and socks in the entire area, Lester and Mike begin a search that soon expands with the aid of local neighbors and law enforcement.
    Matt Grobar, Deadline, 22 Oct. 2025
  • The Functional Fabric Fair has also expanded its speaker programming to provide forward-thinking insights and solutions to current challenges.
    SJ Studio, Sourcing Journal, 22 Oct. 2025
Verb
  • It is characterized by irregular menstrual cycles, excess androgen (male hormone) levels, and polycystic ovaries, which are enlarged ovaries containing numerous small cysts.
    MemorialCare Medical Group, Oc Register, 23 Oct. 2025
  • The town gradually raised the money not just to reconstruct it but to enlarge and improve it, adding new facilities for disabled children.
    Robert F. Worth, The Atlantic, 19 Oct. 2025
Verb
  • She was rushed to a local hospital in critical condition and underwent emergency surgery, during which doctors removed part of her skull to relieve swelling.
    Michael Dorgan, FOXNews.com, 25 Oct. 2025
  • Venezuela’s armed forces comprise roughly 109,000 active personnel, but the total number swells when paramilitary and reserve units are included.
    Amanda Castro, MSNBC Newsweek, 24 Oct. 2025
Verb
  • The open-source project has been used by millions of scientists in more than 190 countries, accelerating research into diseases previously considered intractable.
    Dave Smith, Fortune, 26 Oct. 2025
  • Southern China’s tropical to subtropical climate – with heavy rainfall, heat, and humidity – accelerates chemical weathering, while the region’s long history of tectonic and magmatic activity adds further erosion.
    Bojan Stojkovski, Interesting Engineering, 25 Oct. 2025

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Cite this Entry

“Dilate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dilate. Accessed 29 Oct. 2025.

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