Standard Lemma guide

prolong

verb · 6 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.

  • Received-Pronunciation: /pɹəʊˈlɒŋ/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • /pɹoʊˈlɔŋ/ US, dialectal, lot–cloth split
  • Atlantic-Canada, General-American: /pɹoʊˈlɑŋ/
  • Canada, dialectal: /pɹoʊˈlɒŋ/ of the US
  • Australian: /pɹəʉˈlɔŋ/
  • New-Zealand: /pɹɐʉˈlɒŋ/
  • New-Zealand: [pɹɐʉˈlɔ̟ŋ]
  • rhymes with -ɒŋ
  • CMU ARPABET: P R AH0 L AO1 NG Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

verb

Meaning 1

To extend in space or length.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To lengthen in time; to extend the duration of.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • Complaining prolongs one’s pain.

Meaning relationships

Synonyms: draw out

Antonyms: none provided

3

verb

Meaning 3

To put off to a distant time; to postpone.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • The government shouldn't prolong deciding on this issue any further.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

To become longer; lengthen.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

verb

Meaning 5

lengthen in time; cause to be or last longer

Definition source: Princeton WordNet 3.0

Examples

  • We prolonged our stay
  • She extended her visit by another day
  • The meeting was drawn out until midnight

Meaning relationships

Synonyms: protract, extend, draw out

Antonyms: none provided

Broader terms: lengthen

Narrower terms: extend, temporize, temporise, spin, spin out

6

verb

Meaning 6

lengthen or extend in duration or space

Definition source: Princeton WordNet 3.0

Examples

  • We sustained the diplomatic negotiations as long as possible
  • prolong the treatment of the patient
  • keep up the good work

Meaning relationships

Synonyms: sustain, keep up

Antonyms: none provided

Broader terms: continue, uphold, carry on, bear on, preserve

Narrower terms: retain, continue, keep, keep on

History

Etymology

Either a back-formation from prolongation, or from Old French prolonguer or porloignier, from Latin prōlongō, from prō + longō. Doublet of purloin.

Across languages

Translations

80 source translations are retained for this English entry.

  • Arabic: أَطَالَ (ʔaṭāla) — to extend in space or length
  • Armenian: երկարացնել (erkaracʻnel) — to extend in space or length
  • Bulgarian: удължавам (udǎlžavam) — to extend in space or length
  • Czech: prodloužit — to extend in space or length
  • Czech: zvětšit — to extend in space or length
  • Esperanto: vastigi — to extend in space or length
  • Estonian: pikendama — to extend in space or length
  • Finnish: pidentää — to extend in space or length
  • Finnish: jatkaa — to extend in space or length
  • Finnish: venyttää — to extend in space or length
  • French: prolonger — to extend in space or length
  • Galician: prolongar — to extend in space or length
  • Georgian: დაგრძელება (dagrʒeleba) — to extend in space or length
  • German: ausdehnen — to extend in space or length
  • Ancient Greek: μακρύνω (makrúnō) — to extend in space or length
  • Hungarian: meghosszabbít — to extend in space or length
  • Māori: whakaroa — to extend in space or length
  • Portuguese: prolongar — to extend in space or length
  • Romanian: prelungi — to extend in space or length
  • Romanian: lungi — to extend in space or length
  • Romanian: alungi — to extend in space or length
  • Romanian: extinde — to extend in space or length
  • Russian: продлева́ть (prodlevátʹ) — to extend in space or length
  • Russian: продли́ть (prodlítʹ) — to extend in space or length
  • Spanish: prolongar — to extend in space or length
  • Swedish: förlänga — to extend in space or length
  • Tagalog: ipadayon — to extend in space or length
  • Telugu: పొడిగించు (poḍigiñcu) — to extend in space or length
  • Uyghur: ئۇزارتماق (uzartmaq) — to extend in space or length
  • Arabic: أَطَالَ (ʔaṭāla) — to lengthen in time; to extend the duration of; to draw out; to continue
  • Armenian: երկարաձգել (erkarajgel) — to lengthen in time; to extend the duration of; to draw out; to continue
  • Catalan: perllongar — to lengthen in time; to extend the duration of; to draw out; to continue
  • Catalan: prolongar — to lengthen in time; to extend the duration of; to draw out; to continue
  • Czech: prodloužit — to lengthen in time; to extend the duration of; to draw out; to continue
  • Dutch: bestendigen — to lengthen in time; to extend the duration of; to draw out; to continue
  • Esperanto: longigi — to lengthen in time; to extend the duration of; to draw out; to continue
  • Estonian: pikendama — to lengthen in time; to extend the duration of; to draw out; to continue
  • Finnish: pidentää — to lengthen in time; to extend the duration of; to draw out; to continue
  • Finnish: jatkaa — to lengthen in time; to extend the duration of; to draw out; to continue
  • Finnish: pitkittää — to lengthen in time; to extend the duration of; to draw out; to continue
  • Finnish: venyttää — to lengthen in time; to extend the duration of; to draw out; to continue
  • Georgian: გახანგრძლივება (gaxangrʒliveba) — to lengthen in time; to extend the duration of; to draw out; to continue
  • German: verlängern — to lengthen in time; to extend the duration of; to draw out; to continue
  • Ancient Greek: μακρύνω (makrúnō) — to lengthen in time; to extend the duration of; to draw out; to continue
  • Latin: prōrogō — to lengthen in time; to extend the duration of; to draw out; to continue
  • Latin: protraho — to lengthen in time; to extend the duration of; to draw out; to continue
  • Māori: aukume — to lengthen in time; to extend the duration of; to draw out; to continue
  • Māori: whakaupa — to lengthen in time; to extend the duration of; to draw out; to continue
  • Māori: autō — to lengthen in time; to extend the duration of; to draw out; to continue
  • Māori: whakaupaupa — to lengthen in time; to extend the duration of; to draw out; to continue
  • Portuguese: prolongar — to lengthen in time; to extend the duration of; to draw out; to continue
  • Romanian: prelungi — to lengthen in time; to extend the duration of; to draw out; to continue
  • Russian: продлева́ть (prodlevátʹ) — to lengthen in time; to extend the duration of; to draw out; to continue
  • Russian: продли́ть (prodlítʹ) — to lengthen in time; to extend the duration of; to draw out; to continue
  • Spanish: prolongar — to lengthen in time; to extend the duration of; to draw out; to continue
  • Spanish: prorrogar — to lengthen in time; to extend the duration of; to draw out; to continue
  • Spanish: aplazar — to lengthen in time; to extend the duration of; to draw out; to continue
  • Swedish: förlänga — to lengthen in time; to extend the duration of; to draw out; to continue
  • Uyghur: ئۇزارتماق (uzartmaq) — to lengthen in time; to extend the duration of; to draw out; to continue
  • Bulgarian: отлагам (otlagam) — to lengthen; to put off to a distant time; to postpone
  • Czech: odkládat — to lengthen; to put off to a distant time; to postpone
  • Esperanto: prokrasti — to lengthen; to put off to a distant time; to postpone
  • Estonian: edasi lükkama — to lengthen; to put off to a distant time; to postpone
  • Finnish: pidentää — to lengthen; to put off to a distant time; to postpone
  • Finnish: venyttää — to lengthen; to put off to a distant time; to postpone
  • Finnish: pitkittää — to lengthen; to put off to a distant time; to postpone
  • German: hinauszögern — to lengthen; to put off to a distant time; to postpone
  • Hungarian: elhalaszt — to lengthen; to put off to a distant time; to postpone
  • Māori: tinaku — to lengthen; to put off to a distant time; to postpone
  • Māori: whakaupa — to lengthen; to put off to a distant time; to postpone
  • Māori: whakaupaupa — to lengthen; to put off to a distant time; to postpone
  • Portuguese: adiar — to lengthen; to put off to a distant time; to postpone
  • Romanian: amâna — to lengthen; to put off to a distant time; to postpone
  • Russian: откла́дывать (otkládyvatʹ) — to lengthen; to put off to a distant time; to postpone
  • Russian: отложи́ть (otložítʹ) — to lengthen; to put off to a distant time; to postpone
  • Spanish: prolongar — to lengthen; to put off to a distant time; to postpone
  • Spanish: prorrogar — to lengthen; to put off to a distant time; to postpone
  • Spanish: aplazar — to lengthen; to put off to a distant time; to postpone
  • Swedish: skjuta upp — to lengthen; to put off to a distant time; to postpone
  • Uyghur: كېچىكتۈرمەك (këchiktürmek) — to lengthen; to put off to a distant time; to postpone