Synonyms of 'speed up'
▷ See speed
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When a moving vehicle accelerates, it goes faster and faster.
Suddenly the car accelerated.
If you speed somewhere, you move or travel there quickly, usually in a vehicle.
The engine noise rises only slightly as I speed along.
belt (along) (slang)
barrel (along) (informal , US , Canadian)
lose no time
get a move on (informal)
burn rubber (informal)
put your foot down (informal)
step on it (informal)
go hell for leather (informal)
exceed the speed limit
go like a bomb (British , New Zealand , informal)
go like the wind
go like a bat out of hell
Thesaurus for speed up from the Collins English Thesaurus
When something speeds up or when you speed it up , it moves or travels faster.