retard throttle
51obstruct — Synonyms and related words: arrest, backpedal, backwater, bar, barricade, beat off, bind, block, block out, block up, blockade, bolt, brake, bung, caulk, check, chink, chock, choke, choke off, choke up, clip the wings, clog, clog up, close, close …
52reef — Synonyms and related words: ait, archipelago, arrest, atoll, backpedal, backwater, bank, bar, bill, brake, breakwater, cape, cay, check, chersonese, clear the decks, clip the wings, consider every angle, continental island, coral head, coral… …
53rein — Synonyms and related words: administration, arrest, arrestation, backpedal, backwater, brake, bridle, check, clip the wings, collect, command, constrain, constraint, contain, control, cool, cool off, cooling, cooling down, cooling off, curb,… …
54relax — Synonyms and related words: abate, admit, admit exceptions, allow, allow for, amuse, arrest, backpedal, backwater, bate, be at ease, be easy, be relaxed, beguile, beguile the time, bend, brake, calm down, check, clip the wings, collect, collect… …
55repress — Synonyms and related words: arrest, asphyxiate, ban, bar, bate, beat down, black out, blunt, bottle up, break, browbeat, bulldoze, bully, castrate, censor, check, choke off, clamp down on, coerce, collect, compel, constrain, contain, control,… …
56set back — Synonyms and related words: arrest, backpedal, backwater, bog down, bottle up, brake, bridle, check, clip the wings, constrain, contain, control, cool, cool off, countercheck, curb, curtail, dam up, damp, dampen, decelerate, delay, dent, depress …
57slacken — Synonyms and related words: abate, allay, alleviate, anesthetize, appease, arrest, assuage, attemper, attenuate, backpedal, backwater, bank the fire, bate, benumb, block, blunt, bog down, bottle up, brake, chasten, check, clip the wings, come… …
58slow — Synonyms and related words: Boeotian, Micawberish, after time, almost unheard of, ambling, apathetic, arid, arrest, arrested, averse, back, backpedal, backward, backwater, balking, balky, barren, behind, behind the times, behind time, behindhand …
59slow down — Synonyms and related words: abate, allay, alleviate, arrest, assuage, attemper, backpedal, backwater, bank the fire, block, blunt, bog down, boycott, brake, bridle, chasten, check, clip the wings, confine, constrain, contain, control, cool, cool… …
60slow up — Synonyms and related words: afterthought, arrest, backpedal, backwater, bind, block, blockage, brake, bureaucratic delay, check, clip the wings, curb, decelerate, deceleration, delay, delayage, delayed reaction, detain, detention, double take,… …