quicken

1 to cause to move or proceed fast or faster she eventually quickened her pace so she could keep up with the others Synonyms accelerate, bundle, fast-track, hasten, hurry, rush, speed (up), whiskRelated Words drive, goad, prod, propel, push, race, spur, stir, urge; aid, dispatch, ease, encourage, expedite, facilitateNear Antonyms delay, encumber, fetter, hamper, hinder, hobble, hold back, hold up, impede, interfere (with), manacle, rein (in), restrain, shackle, tie up, trammel; arrest, check, stall, stay, still, stopAntonyms brake, decelerate, retard, slow (down)

2 to give life, vigor, or spirit to the news that we'd head to Florida for Christmas quickened the children, who instantly began jumping for joy Synonyms amp (up), brace, energize, enliven, fillip, fire, ginger (up), invigorate, jazz (up), juice up, jump-start, liven (up), pep (up), animate, spike, stimulate, vitalize, vivify, zip (up)Related Words arouse, awake, awaken, raise, rouse, stir, wake (up); activate, actuate, drive, impel, motivate, motive, move, propel; charge, electrify, galvanize; enkindle, excite, ferment, foment, incite, inflame (also enflame), instigate, kindle, provoke, set off, spark, trigger, turn on, whip (up); abet, boost, buoy, cheer, embolden, fortify, hearten, infuse, inspire, lift, rally, steel, strengthen; reactivate, reanimate, reawake, reawaken, recharge, recreate, reenergize, refresh, refreshen, regenerate, reinvigorate, rejuvenate, rekindle, renew, restimulate, resurrect, resuscitate, revitalize, reviveNear Antonyms burn out, debilitate, do in, drain, enervate, enfeeble, exhaust, fag, fatigue, harass, kayo, knock out, sap, tucker (out), undermine, wash out, weaken, wear, wear out, weary; check, curb, inhibit, jade, quell, quench, repress, restrain, slow, still, stunt, suppress; daunt, demoralize, discourage, dishearten, dispiritAntonyms damp, dampen, deaden, dull, kill