adj · verb · 10 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
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Received-Pronunciation:/əkˈsɛl.əˌɹeɪt/
Received-Pronunciation:/ækˈsɛl.əˌɹeɪt/
Received-Pronunciation:/ɪkˈsɛl.əˌɹeɪt/
General-American:/ɪkˈsɛl.əˌɹeɪt/
/əkˈsɛl.əˌɹeɪt/weak vowel merger
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:AE0 K S EH1 L ER0 EY2 T
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Accelerated; quickened; hastened; hurried.
Definition source: English Wiktionary via Wiktextract
Usage: archaic, not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
verb
Meaning 2
To cause to move faster; to quicken the motion of; to add to the speed of.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
verb
Meaning 3
To quicken the natural or ordinary progression or process of.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Examples
to accelerate the growth of a plant, the increase of wealth, etc.
The company plans to accelerate its growth with new marketing strategies.
She had to accelerate her work pace to meet the deadline.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
To cause a change of velocity.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
verb
Meaning 5
To hasten, as the occurrence of an event.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Examples
to accelerate our departure
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
verb
Meaning 6
To enable a student to finish a course of study in less than normal time.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Topics: education
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
verb
Meaning 7
To become faster; to begin to move more quickly.
Definition source: English Wiktionary via Wiktextract
Usage: intransitive
Examples
The car began to accelerate as soon as the light turned green.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
8
verb
Meaning 8
Grow; increase.
Definition source: English Wiktionary via Wiktextract
Usage: intransitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
verb
Meaning 9
move faster
Definition source: Princeton WordNet 3.0
Examples
The car accelerated
Meaning relationships
Synonyms: speed up, speed, quicken
Antonyms: decelerate
Broader terms: intensify, deepen
Narrower terms: brisk, brisk up, brisken
10
verb
Meaning 10
cause to move faster
Definition source: Princeton WordNet 3.0
Examples
He accelerated the car
Meaning relationships
Synonyms: speed, speed up
Antonyms: decelerate
Broader terms: change, alter, modify
History
Etymology
Etymology tree Proto-Indo-European *h2éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *kel-der. Latin celer Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *-yéti Proto-Indo-European *-eh2yéti Proto-Indo-European *-h2tiinflu. Proto-Italic *-ājō Proto-Italic *-āō Latin -ō Latin celerō Latin accelerō Latin accelerātuslbor. ▲ Latin accelerō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin accelerātiōder. English accelerationbf. English accelerate First attested in the 1520s. Either from Latin accelerātus, perfect passive participle of accelerō (“to accelerate, hasten”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), formed from ad + celerō (“to hasten”), which is from celer (“quick”) (see celerity), or back-formation from acceleration.
Across languages
Translations
160 source translations are retained for this English entry.
Albanian:
përshpejtoj
— to cause to move faster
Arabic:
سَرَّعَ
(sarraʕa)
— to cause to move faster
Armenian:
արագացնել
(aragacʻnel)
— to cause to move faster
Asturian:
acelerar
— to cause to move faster
Belarusian:
паскара́ць
(paskarácʹ)
— to cause to move faster
Belarusian:
паско́рыць
(paskórycʹ)
— to cause to move faster
Bulgarian:
ускоря́вам
(uskorjávam)
— to cause to move faster
Catalan:
accelerar
— to cause to move faster
Chinese Mandarin:
加速
(jiāsù)
— to cause to move faster
Czech:
zrychlovat
— to cause to move faster
Czech:
zrychlit
— to cause to move faster
Danish:
accelerere
— to cause to move faster
Dutch:
versnellen
— to cause to move faster
Esperanto:
rapidigi
— to cause to move faster
Esperanto:
akceli
— to cause to move faster
Finnish:
kiihdyttää
— to cause to move faster
Finnish:
nopeuttaa
— to cause to move faster
French:
accélérer
— to cause to move faster
West-Frisian:
fersnelje
— to cause to move faster
Galician:
acelerar
— to cause to move faster
German:
beschleunigen
— to cause to move faster
Hebrew:
האיץ
(heíts)
— to cause to move faster
Hungarian:
gyorsít
— to cause to move faster
Ido:
rapidigar
— to cause to move faster
Indonesian:
mempercepat
— to cause to move faster
Indonesian:
mempercepatkan
— to cause to move faster
Indonesian:
mengakselerasikan
— to cause to move faster
Irish:
luathaigh
— to cause to move faster
Italian:
accelerare
— to cause to move faster
Japanese:
加速する
(kasoku suru)
— to cause to move faster
Khmer:
ពន្លឿន
(pʊənlɨən)
— to cause to move faster
Latin:
accelerō
— to cause to move faster
Luxembourgish:
acceleréieren
— to cause to move faster
Mongolian:
хурдасгах
(xurdasgax)
— to cause to move faster
Norwegian:
akselerere
— to cause to move faster
Persian:
شتافتن
(šetâftan)
— to cause to move faster
Polish:
przyśpieszać
— to cause to move faster
Polish:
przyśpieszyć
— to cause to move faster
Portuguese:
acelerar
— to cause to move faster
Romanian:
accelera
— to cause to move faster
Russian:
ускоря́ть
(uskorjátʹ)
— to cause to move faster
Russian:
уско́рить
(uskóritʹ)
— to cause to move faster
Serbo-Croatian:
убр̀зати
— to cause to move faster
Serbo-Croatian:
ubr̀zati
— to cause to move faster
Serbo-Croatian:
ubrzávati
— to cause to move faster
Slovak:
zrýchľovať
— to cause to move faster
Slovak:
zrýchliť
— to cause to move faster
Spanish:
acelerar
— to cause to move faster
Spanish:
embalar
— to cause to move faster
Spanish:
accelerar
— to cause to move faster
Swedish:
accelerera
— to cause to move faster
Swedish:
ge mer gas
— to cause to move faster
Swedish:
gasa
— to cause to move faster
Swedish:
öka
— to cause to move faster
Tagalog:
ibilis
— to cause to move faster
Tagalog:
darasigin
— to cause to move faster
Thai:
เร่ง
(reng)
— to cause to move faster
Turkish:
hızlandırmak
— to cause to move faster
Ukrainian:
приско́рювати impf приско́рити
(pryskórjuvaty)
— to cause to move faster
Uyghur:
ئىلداملاتماق
(ildamlatmaq)
— to cause to move faster
Uyghur:
تېزلەشتۈرمەك
(tëzleshtürmek)
— to cause to move faster
Vietnamese:
tăng tốc
— to cause to move faster
Welsh:
cyflymu
— to cause to move faster
Asturian:
acelerar
— to quicken natural or ordinary progression or process
Belarusian:
паскара́цца
(paskarácca)
— to quicken natural or ordinary progression or process
Belarusian:
паско́рыцца
(paskórycca)
— to quicken natural or ordinary progression or process
Bulgarian:
ускоря́вам
(uskorjávam)
— to quicken natural or ordinary progression or process
Chinese Mandarin:
加速
(jiāsù)
— to quicken natural or ordinary progression or process
Chinese Mandarin:
變快 /变快
(biànkuài)
— to quicken natural or ordinary progression or process
Czech:
urychlit
— to quicken natural or ordinary progression or process
Dutch:
versnellen
— to quicken natural or ordinary progression or process
Esperanto:
akceli
— to quicken natural or ordinary progression or process
Finnish:
kiihdyttää
— to quicken natural or ordinary progression or process
French:
accélérer
— to quicken natural or ordinary progression or process
Galician:
acelerar
— to quicken natural or ordinary progression or process
German:
beschleunigen
— to quicken natural or ordinary progression or process
Hebrew:
זירז
(zeréz)
— to quicken natural or ordinary progression or process
Italian:
accelerare
— to quicken natural or ordinary progression or process
Japanese:
促進する
(sokushin suru)
— to quicken natural or ordinary progression or process
Mongolian:
хурдасгах
(xurdasgax)
— to quicken natural or ordinary progression or process
Norwegian:
påskynde
— to quicken natural or ordinary progression or process
Polish:
przyśpieszać się
— to quicken natural or ordinary progression or process
Polish:
przyśpieszyć się
— to quicken natural or ordinary progression or process
Portuguese:
acelerar
— to quicken natural or ordinary progression or process
Portuguese:
apressar
— to quicken natural or ordinary progression or process
Russian:
ускоря́ться
(uskorjátʹsja)
— to quicken natural or ordinary progression or process
Russian:
уско́риться
(uskóritʹsja)
— to quicken natural or ordinary progression or process
Serbo-Croatian:
убр̀зати
— to quicken natural or ordinary progression or process
Serbo-Croatian:
ubr̀zati
— to quicken natural or ordinary progression or process
Spanish:
acelerar
— to quicken natural or ordinary progression or process
Swedish:
accelerera
— to quicken natural or ordinary progression or process
Ukrainian:
приско́рюватися
(pryskórjuvatysja)
— to quicken natural or ordinary progression or process
Welsh:
cyflymu
— to quicken natural or ordinary progression or process
Arabic:
اِسْتَعْجَلَ
(istaʕjala)
— to hasten
Belarusian:
паскара́ць
(paskarácʹ)
— to hasten
Belarusian:
паско́рыць
(paskórycʹ)
— to hasten
Chinese Mandarin:
加速
(jiāsù)
— to hasten
Chinese Mandarin:
變快 /变快
(biànkuài)
— to hasten
Dutch:
bespoedigen
— to hasten
Dutch:
haasten
— to hasten
Esperanto:
akceli
— to hasten
Finnish:
nopeuttaa
— to hasten
French:
accélérer
— to hasten
German:
eilen
— to hasten
German:
sich beeilen
— to hasten
Hebrew:
זירז
(zeréz)
— to hasten
Italian:
affrettare
— to hasten
Japanese:
加速する
— to hasten
Norwegian:
påskynde
— to hasten
Polish:
przyśpieszać
— to hasten
Polish:
przyśpieszyć
— to hasten
Portuguese:
acelerar
— to hasten
Portuguese:
apressar
— to hasten
Russian:
ускоря́ть
(uskorjátʹ)
— to hasten
Russian:
уско́рить
(uskóritʹ)
— to hasten
Serbo-Croatian:
убр̀зати
— to hasten
Serbo-Croatian:
ubr̀zati
— to hasten
Spanish:
acelerar
— to hasten
Spanish:
apresurar
— to hasten
Swedish:
påskynda
— to hasten
Swedish:
öka
— to hasten
Welsh:
cyflymu
— to hasten
Arabic:
أَسْرَعَ
(ʔasraʕa)
— to become faster
Belarusian:
паскара́цца
(paskarácca)
— to become faster
Belarusian:
паско́рыцца
(paskórycca)
— to become faster
Bulgarian:
ускоря́вам се
(uskorjávam se)
— to become faster
Chinese Mandarin:
變快 /变快
(biànkuài)
— to become faster
Czech:
zrychlovat se
— to become faster
Czech:
zrychlit se
— to become faster
Dutch:
versnellen
— to become faster
Dutch:
sneller gaan
— to become faster
Esperanto:
akceliĝi
— to become faster
Finnish:
nopeutua
— to become faster
Finnish:
kiihtyä
— to become faster
French:
accélérer
— to become faster
German:
schneller werden
— to become faster
German:
beschleunigen
— to become faster
Hebrew:
האיץ
(heíts)
— to become faster
Hungarian:
gyorsul
— to become faster
Ido:
rapideskar
— to become faster
Italian:
accelerare
— to become faster
Japanese:
加速する
(kasoku suru)
— to become faster
Mongolian:
хурдсах
(xurdsax)
— to become faster
Norwegian:
sette opp farten
— to become faster
Polish:
przyśpieszać się
— to become faster
Polish:
przyśpieszyć się
— to become faster
Portuguese:
acelerar
— to become faster
Russian:
ускоря́ться
(uskorjátʹsja)
— to become faster
Russian:
уско́риться
(uskóritʹsja)
— to become faster
Serbo-Croatian:
убр̀зати
— to become faster
Serbo-Croatian:
ubr̀zati
— to become faster
Spanish:
acelerarse
— to become faster
Spanish:
embalarse
— to become faster
Turkish:
hızlanmak
— to become faster
Turkish:
ivmelenmek
— to become faster
Turkish:
ivmek
— to become faster
Ottoman Turkish:
ایومك
(ivmek)
— to become faster
Uyghur:
تېزلەشمەك
(tëzleshmek)
— to become faster
Uyghur:
ئىلداملىماق
(ildamlimaq)
— to become faster