dilate

D2I1L1A1T1E1
/daɪˈleɪt//ˈdaɪ.leɪt/

verb

To enlarge; to make bigger.

“His heart dilates and glories in his strength.”

Opposite

Meanings

dilate1

verbdilate (third-person singular simple present dilates, present participle dilating, simple past and past participle dilated)

present singular third person dilates · participle present dilating · participle past dilated · past dilated · alternative delate

  1. transitiveTo enlarge; to make bigger.

    The eye doctor put drops in my eye to dilate the pupil so he could see the nerve better.

  2. intransitiveTo become wider or larger; to expand.

    His heart dilates and glories in his strength.

    Antonyms: contract

  3. ambitransitiveTo speak largely and copiously; to dwell in narration; to enlarge; with "on" or "upon".

    But still they on their ancient joys dilate.

    1810, George Crabbe, The Borough
    2 more examples

    Do me the favour to dilate at full / What hath befallen of them and thee till now.

    c. 1594 (date written), William Shakespeare, “The Comedie of Errors”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act I, scene i]

    Houellebecq’s men[…] dilate lovingly upon the makes and models of cars and appliances, and the subsidiary brands of hospitality and conglomerates.

    2024 October 24, Judith Shulevitz, “Michel Houellebecq Has Some Fresh Predictions. Be Afraid.”, in The Atlantic
  4. ambitransitivemedicineTo use a dilator to widen (something, such as a vagina).

    He gave her some of the dilators he used to dilate her vagina shortly after the surgery and encouraged her to do it frequently.

    2010, Kehinde Adeola Ayeni, Feasts of Phantoms, Fisher King Press, →ISBN, page 148
    3 more examples

    An experimenter in New York has recently advocated what he is pleased to call temporary forcible dilatation of the trachea in the treatment of membranous croup, his idea being to introduce into the trachea a dilator and to forcibly dilate, every few hours if need be, and he reports favorable results.

    1896, “Society Proceedings”, in The Chicago Medical Recorder, volume 10, page 62

    In very tight and obstinate stricture I sometimes dilate every day, but as soon as it has been stretched up to 23 or 24, I dilate every other day, or at greater intervals, keeping the instrument in place several minutes.

    1911, Abraham Wolbarst, Gonorrhea in the Male: A Practical Guide to Its Treatment, page 148

    It is important to realize that a number of these women do not want to have their vaginismus treated but only to achieve pregnancy. […] The use of hard plastic rods with increasing diameters, a sort of pseudopenis, can be useful, provided it is explained to the woman that these rods are not used to dilate her vagina but are a means of training the relaxation of her pelvic muscles and of getting these muscles under control.

    2012, Wolf Eicher, Götz Kockott, Sexology, Springer Science & Business Media, →ISBN

dilate2

verbdilate (third-person singular simple present dilates, present participle dilating, simple past and past participle dilated)

present singular third person dilates · participle present dilating · participle past dilated · past dilated · alternative delate · alternative deleate · alternative dylate

  1. obsoletetransitiveTo delay, defer.

    Without more time delated.

    1556, John Heywood, The Spider and the Fly, lii. 19
  2. obsoletetransitiveTo prolong, lengthen.

    A […] way to dilate a remembrance beyond the banks of Forgetfulness.

    1658, Francis Osborne, Advice to a Son

dilate3

adjectivedilate (comparative more dilate, superlative most dilate)

comparative more dilate · superlative most dilate

  1. archaicobsoleteCarried in different ways, spread, abroad, dispersed, published.

    Returne the lords this voyce, we aré their creature : And it is fit, a good, and honeſt prince, Whom they, out of their bounty, haue inſtucted With ſo dilate, and abſolute a power, Should owe the office of it, to their ſeruice ; And good of all, and euery citizen.

    1603 (first performance; published 1605), Beniamin Ionson [i.e., Ben Jonson], “Seianus his Fall. A Tragœdie. […]”, in The Workes of Beniamin Ionson (First Folio), London: […] Will[iam] Stansby, published 1616, →OCLC, Act I, page 370

Synonyms & antonyms

verbTo become wider or larger; to expand.

Opposite

More synonyms by meaning

verbbecome wider

Similar
Broader

verbadd details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

dilate · verb

  1. Latindīlātō
  2. Old Frenchdilater
  3. Middle Englishdilaten
  4. Englishdilate

First attested in 1393, in Middle English; inherited from Middle English dilaten, from Old French dilater, from Latin dīlātō (“to spread out”), from dī- + lātus (“wide”) + -ō (verb-forming suffix). Doublet of dilatate.

Full word history & related roots →

dilate · verb

  1. Latindīlātō
  2. Latindīfferō
  3. Latindīlātus
  4. Middle Englishdilaten“to delay, tarry”
  5. Englishdilate

First attested in 1399, in Middle English; inherited from Middle English dilaten (“to delay, tarry”), borrowed from Latin dīlātus, perfect passive participle of Latin dīfferō (see -ate (verb-forming suffix)). If so, Doublet of defer and differ; see also infer, relate and refer, collate and confer, delate and defer, as well as prefer and prelate among others. Alternatively, from Latin dīlātō, see Etymology 1.

Full word history & related roots →

dilate · adjective

  1. Latindīlātus
  2. Englishdilate

First attested in 1471, in Middle English; borrowed from Latin dīlātus, see -ate (adjective-forming suffix) and Etymology 2 for more.

Full word history & related roots →

Translations

Bulgarian разширявам, разтварям
  • разширявам (razširjavam)to enlarge; to make bigger
  • разтварям (raztvarjam)to enlarge; to make bigger
  • разширявам се (razširjavam se)to become wider or larger; to expand
  • разпростирам се (razprostiram se)to become wider or larger; to expand
Catalan dilatar, dilatar-se
  • dilatarto enlarge; to make bigger
  • dilatar-seto become wider or larger; to expand
Chinese Mandarin 擴張 /扩张
  • 擴張 /扩张 (kuòzhāng)to enlarge; to make bigger
Danish udvide, udspile
  • udvideto enlarge; to make bigger
  • udspileto enlarge; to make bigger
  • udvideto become wider or larger; to expand
  • forstørreto become wider or larger; to expand
  • svulmeto become wider or larger; to expand
Dutch dilateren, uitzetten
  • dilaterento enlarge; to make bigger
  • uitzettento become wider or larger; to expand
Finnish laajentaa, laajentua
  • laajentaato enlarge; to make bigger
  • laajentuato become wider or larger; to expand
  • laajetato become wider or larger; to expand
French dilater, se dilater
  • dilaterto enlarge; to make bigger
  • se dilaterto become wider or larger; to expand
German dilatieren, weiten
  • dilatierento enlarge; to make bigger
  • weitento enlarge; to make bigger
  • vergrößernto enlarge; to make bigger
  • erweiternto enlarge; to make bigger
  • dehnento enlarge; to make bigger
  • sich weitento become wider or larger; to expand
  • ausdehnento become wider or larger; to expand
  • weitento become wider or larger; to expand
  • vergrößernto become wider or larger; to expand
  • dehnento become wider or larger; to expand
  • dilatierento become wider or larger; to expand
Hungarian tágít, kitágít
  • tágítto enlarge; to make bigger
  • kitágítto enlarge; to make bigger
  • nyújtto enlarge; to make bigger
  • kinyújtto enlarge; to make bigger
  • tágulto become wider or larger; to expand
  • kitágulto become wider or larger; to expand
  • bő lére eresztto speak largely and copiously; to dwell in narration
Irish leathnaigh, leathnaigh
  • leathnaighto enlarge; to make bigger
  • leathnaighto become wider or larger; to expand
Italian dilatare, dilatarsi
  • dilatareto enlarge; to make bigger
  • dilatarsito become wider or larger; to expand
Polish rozszerzać, rozszerzyć
  • rozszerzaćto enlarge; to make bigger
  • rozszerzyćto enlarge; to make bigger
  • rozszerzać sięto become wider or larger; to expand
  • rozszerzyć sięto become wider or larger; to expand
Portuguese dilatar, expandir
  • dilatarto enlarge; to make bigger
  • expandirto become wider or larger; to expand
Romanian dilata
  • dilatato enlarge; to make bigger
Russian расширя́ть, расши́рить
  • расширя́ть (rasširjátʹ)to enlarge; to make bigger
  • расши́рить (rasšíritʹ)to enlarge; to make bigger
  • увели́чивать (uvelíčivatʹ)to enlarge; to make bigger
  • увели́чить (uvelíčitʹ)to enlarge; to make bigger
  • расширя́ться (rasširjátʹsja)to become wider or larger; to expand
  • расши́риться (rasšíritʹsja)to become wider or larger; to expand
  • увели́чиваться (uvelíčivatʹsja)to become wider or larger; to expand
  • увели́читься (uvelíčitʹsja)to become wider or larger; to expand
Spanish dilatar, dilatarse
  • dilatarto enlarge; to make bigger
  • dilatarseto become wider or larger; to expand
  • dilatarTranslations
Turkish büyültmek
  • büyültmekto enlarge; to make bigger

Rhymes & wordplay

Rhymes with dilate

All rhymes →

Anagrams

Cite this entry
APA

dilate. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/dilate

MLA

“dilate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dilate. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “dilate,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/dilate.

Source: dilate on Wiktionary, CC BY-SA 4.0.