speed up

Definitions of speed up
1

v move faster

Synonyms:
accelerate, quicken, speed
Antonyms:
decelerate, retard, slow, slow down, slow up
lose velocity; move more slowly
Types:
brisk, brisk up, brisken
become brisk
Type of:
deepen, intensify
become more intense

v cause to move faster

Synonyms:
accelerate, speed
Antonyms:
decelerate, slow down
reduce the speed of
Type of:
alter, change, modify
cause to change; make different; cause a transformation

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