List of retard synonyms and retard related words.
arrest, backpedal, backwater, balk, block, bottle up, brake, bridle, check, clip the wings, confine, constrain, contain, control, cool, cool off, countercheck, curb, curtail, dam up, damp, dampen, decelerate, delay, detain, dompt, drag, draw rein, dunce, ease off, ease up, enjoin, fool, frustrate, govern, guard, hinder, hold, hold at bay, hold back, hold fast, hold in, hold in check, hold in leash, hold up, idiot, imbecile, impede, inhibit, intercept, interfere, interfere with, intermeddle, interrupt, intervene, jerk, keep, keep back, keep from, keep in, keep in check, keep under control, lag, lay under restraint, let down, let up, lose ground, lose momentum, lose speed, make late, meddle, moderate, moron, obstruct, oppose, prohibit, pull, pull in, reef, rein, rein in, relax, repress, resist, restrain, restrict, retrench, scotch, set back, slack off, slack up, slacken, slow, slow down, slow up, snub, stall, stay, stop, straiten, suppress, take in sail, throttle down, thwart, withhold