speed up
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Related to speed up: Speed test
speed up
vb (adverb)
to increase or cause to increase in speed or rate; accelerate
n
an instance of this; acceleration
Usage: The past tense and past participle of speed up is speeded up, not sped up
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
speed
– speed upSpeed can be a noun or a verb.
1. used as a noun
The speed of someone or something is the rate at which they move.
He increased his speed to 115mph.
...the speed of light.
Speed is often used in prepositional phrases beginning with at or with.
You can say that someone or something moves at a particular speed.
He goes on driving at the same speed.
The bullets hit Ilie Popescu at a speed of 1,350 feet per second.
If you want to emphasize how fast something is moving, you can use at and an adjective in front of speed.
I drove at great speed to West Bank.
A plane flew low over the ship at lightning speed.
If you want to emphasize how quickly something happens or is done, you use with and an adjective in front of speed.
The shape of their bodies changes with astonishing speed.
They have succeeded in expanding their industries with remarkable speed.
2. used as a verb
In stories, if someone speeds somewhere, they move or travel there quickly. When speed has this meaning, its past tense and past participle is sped.
They sped along Main Street towards the highway.
They drove through Port Philip and sped on down south.
3. 'speed up'
If something speeds up or if you speed it up, it moves, happens, or is done more quickly.
They're way ahead of us. Speed up!
The past tense and past participle of speed up is speeded up.
Tom speeded up and overtook them.
The process is now being speeded up.
Collins COBUILD English Usage © HarperCollins Publishers 1992, 2004, 2011, 2012
ThesaurusAntonymsRelated WordsSynonymsLegend:
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| Verb | 1. |  speed up - move faster; "The car accelerated" |
| 2. |  speed up - cause to move faster; "He accelerated the car" |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
يَزيد سُرْعَتَهيَزيد مُعَدَّليُسْرِعُ
zrychliturychlit
øgesætte farten op
nopeuttaa
ubrzatiubrzavati
felgyorsít
auka hraîaflÿta, hraîa
速度を上げる
속도를 내다
skynda (sig) på
เร่งให้เร็วขึ้น
hızlandırmakhızlanmaksüratini artırmak
tăng tốc
w>speed up
pret, ptp <speeded up>Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
speed
(spiːd) noun1. rate of moving. a slow speed; The car was travelling at high speed.
2. quickness of moving.
verb1. (past tense, past participles sped (sped) ˈspeeded) to (cause to) move or progress quickly; to hurry. The car sped/speeded along the motorway.
2. (past tense, past participle ˈspeeded) to drive very fast in a car etc, faster than is allowed by law. The policeman said that I had been speeding.
ˈspeeding noun driving at (an illegally) high speed. He was fined for speeding.
ˈspeedy adjective done, carried out etc quickly. a speedy answer.
ˈspeedily adverbˈspeediness noun
ˈspeed bump noun
a raised part across the road to make drivers slow down.
ˈspeed trap noun a device used by the police to catch drivers exceeding the speed limit.
speedometer (spiːˈdomitə) noun an instrument on a car etc showing how fast one is travelling.
speed up – past tense, past participle ˈspeeded –
1. to increase speed. The car speeded up as it left the town.
2. to quicken the rate of. We are trying to speed up production.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
speed up
→ يُسْرِعُ zrychlit sætte farten op beschleunigen επισπεύδω acelerar nopeuttaa accélérer ubrzati accelerare 速度を上げる 속도를 내다 versnellen øke farten przyśpieszyć acelerar ускорять skynda (sig) på เร่งให้เร็วขึ้น hızlanmak tăng tốc 加速Multilingual Translator © HarperCollins Publishers 2009