WordWeb Online

1. Move faster
   - accelerate, speed up, speed
    
2. Make keen or more acute
   - whet
    
3. Give life or energy to
   - invigorate
    
4. Show signs of life
   "the foetus quickened"
    
5. Give new life or energy to
   - animate, recreate, reanimate, revive, renovate, repair, vivify, revivify

Derived forms: quickening, quickens, quickened

See also: quickener, quickening

Type of: arouse, brace, deepen, energise [Brit], energize, excite, intensify, move, perk up, stimulate, stir

Encyclopedia: Quicken