Standard Lemma guide

dilate

adj · verb · 9 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /daɪˈleɪt/
  • /ˈdaɪ.leɪt/
  • rhymes with -eɪt
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: D AY2 L EY1 T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Carried in different ways, spread, abroad, dispersed, published.

Definition source: English Wiktionary via Wiktextract

Usage: archaic, obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To enlarge; to make bigger.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

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

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To become wider or larger; to expand.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

Examples

  • His heart dilates and glories in his strength.

Meaning relationships

Synonyms: none provided

Antonyms: contract

4

verb

Meaning 4

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

Definition source: English Wiktionary via Wiktextract

Usage: ambitransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

verb

Meaning 5

To use a dilator to widen (something, such as a vagina).

Definition source: English Wiktionary via Wiktextract

Usage: ambitransitive

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

verb

Meaning 6

To delay, defer.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete, transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

verb

Meaning 7

To prolong, lengthen.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete, transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

verb

Meaning 8

become wider

Definition source: Princeton WordNet 3.0

Examples

  • His pupils were dilated

Meaning relationships

Synonyms: distend

Antonyms: none provided

Broader terms: widen

9

verb

Meaning 9

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

Definition source: Princeton WordNet 3.0

Examples

  • She elaborated on the main ideas in her dissertation

Meaning relationships

Synonyms: elaborate, lucubrate, expatiate, exposit, enlarge, flesh out, expand, expound

Antonyms: none provided

Broader terms: clarify, clear up, elucidate

Narrower terms: detail, set forth, expound, exposit, exemplify, illustrate, instance, specify, particularize, particularise, specialize, specialise

History

Etymology

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

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.

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.

Across languages

Translations

63 source translations are retained for this English entry.

  • Bulgarian: разширявам (razširjavam) — to enlarge; to make bigger
  • Bulgarian: разтварям (raztvarjam) — to enlarge; to make bigger
  • Catalan: dilatar — to enlarge; to make bigger
  • Chinese Mandarin: 擴張 /扩张 (kuòzhāng) — to enlarge; to make bigger
  • Danish: udvide — to enlarge; to make bigger
  • Danish: udspile — to enlarge; to make bigger
  • Dutch: dilateren — to enlarge; to make bigger
  • Finnish: laajentaa — to enlarge; to make bigger
  • French: dilater — to enlarge; to make bigger
  • Galician: dilatar — to enlarge; to make bigger
  • German: dilatieren — to enlarge; to make bigger
  • German: weiten — to enlarge; to make bigger
  • German: vergrößern — to enlarge; to make bigger
  • German: erweitern — to enlarge; to make bigger
  • German: dehnen — to enlarge; to make bigger
  • Hungarian: tágít — to enlarge; to make bigger
  • Hungarian: kitágít — to enlarge; to make bigger
  • Hungarian: nyújt — to enlarge; to make bigger
  • Hungarian: kinyújt — to enlarge; to make bigger
  • Ido: dilatar — to enlarge; to make bigger
  • Irish: leathnaigh — to enlarge; to make bigger
  • Italian: dilatare — to enlarge; to make bigger
  • Polish: rozszerzać — to enlarge; to make bigger
  • Polish: rozszerzyć — to enlarge; to make bigger
  • Portuguese: dilatar — to enlarge; to make bigger
  • Romanian: dilata — to enlarge; to make bigger
  • Russian: расширя́ть (rasširjátʹ) — to enlarge; to make bigger
  • Russian: расши́рить (rasšíritʹ) — to enlarge; to make bigger
  • Russian: увели́чивать (uvelíčivatʹ) — to enlarge; to make bigger
  • Russian: увели́чить (uvelíčitʹ) — to enlarge; to make bigger
  • Spanish: dilatar — to enlarge; to make bigger
  • Turkish: büyültmek — to enlarge; to make bigger
  • Bulgarian: разширявам се (razširjavam se) — to become wider or larger; to expand
  • Bulgarian: разпростирам се (razprostiram se) — to become wider or larger; to expand
  • Catalan: dilatar-se — to become wider or larger; to expand
  • Danish: udvide — to become wider or larger; to expand
  • Danish: forstørre — to become wider or larger; to expand
  • Danish: svulme — to become wider or larger; to expand
  • Dutch: uitzetten — to become wider or larger; to expand
  • Finnish: laajentua — to become wider or larger; to expand
  • Finnish: laajeta — to become wider or larger; to expand
  • French: se dilater — to become wider or larger; to expand
  • Galician: dilatarse — to become wider or larger; to expand
  • German: sich weiten — to become wider or larger; to expand
  • German: ausdehnen — to become wider or larger; to expand
  • German: weiten — to become wider or larger; to expand
  • German: vergrößern — to become wider or larger; to expand
  • German: dehnen — to become wider or larger; to expand
  • German: dilatieren — to become wider or larger; to expand
  • Hungarian: tágul — to become wider or larger; to expand
  • Hungarian: kitágul — to become wider or larger; to expand
  • Irish: leathnaigh — to become wider or larger; to expand
  • Italian: dilatarsi — to become wider or larger; to expand
  • Polish: rozszerzać się — to become wider or larger; to expand
  • Polish: rozszerzyć się — to become wider or larger; to expand
  • Portuguese: expandir — to become wider or larger; to expand
  • Russian: расширя́ться (rasširjátʹsja) — to become wider or larger; to expand
  • Russian: расши́риться (rasšíritʹsja) — to become wider or larger; to expand
  • Russian: увели́чиваться (uvelíčivatʹsja) — to become wider or larger; to expand
  • Russian: увели́читься (uvelíčitʹsja) — to become wider or larger; to expand
  • Spanish: dilatarse — to become wider or larger; to expand
  • Hungarian: bő lére ereszt — to speak largely and copiously; to dwell in narration
  • Spanish: dilatar — Translations