Answer: slowedup

AnswerCrossword Clue
SLOWEDUP

Decelerated

SLOWEDUP

Inhibited

SLOWEDUP

Impeded

SLOWEDUP
Applied the brakes
SLOWEDUP
Delayed.
SLOWEDUPReduced speed
SLOWEDUPTook the foot off the accelerator
SLOWEDUPExercised caution, in a way