speed up

US /spiːd ʌp/
UK /spiːd ʌp/
"speed up" picture
1.

to increase in speed

:
•
The car began to speed up as it approached the highway.
•
We need to speed up the production process.
:
acceleratehastenquicken
:
slow down
:
up to speedspeedingspeedspeed dialhigh-speedshutter speedspeed limit