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