decelerate

Synonyms

brake, retard, slacken, slow;

Antonyms

accelerate, hasten, hurry, quicken, rush, speed (up), step up;

Near Antonyms

drive, encourage, goad, propel, push, spur, stir, urge;

advance, aid, dispatch, ease, expedite, facilitate, forward, further, help;

Related Words

halt, stop;

encumber, hamper, handicap, hinder, hobble, hold back, hold up, impede, inhibit, obstruct, set back, tie up;

arrest, check, constrain, curb, rein, restrain;

baffle, foil, frustrate, thwart;