Synonyms of decelerate in English:

decelerate


See definition of decelerate

verb

1‘there is a whine coming from the gearbox every time I decelerate’

SYNONYMS
slow down, slow up, slow, go slower, ease up, slack up, reduce speed, lessen one's speed, brake, put the brakes on, hit the brakes
British informal slam on the anchors
ANTONYMS

accelerate