1. lighten up make lighter or brighter
  2. light up ignite
  3. lighted set afire or burning
  4. light-duty not designed for heavy work
  5. light diet diet prescribed for bedridden or convalescent people
  6. lightship a ship equipped like a lighthouse and anchored where a permanent lighthouse would be impracticable
  7. lightweight weighing relatively little compared with another item
  8. lightheaded weak and likely to lose consciousness
  9. light touch momentary contact
  10. light time distance measured in terms of the speed of light
  11. light-headed weak and likely to lose consciousness
  12. lightwood tall Australian acacia yielding highly valued black timber
  13. heated up made warm or hot (`het' is a dialectal variant of `heated')
  14. light-tight not penetrable by light
  15. lighting-up turning lights on
  16. looted wrongfully emptied or stripped of anything of value
  17. Light Within a divine presence believed by Quakers to enlighten and guide the soul
  18. tighten up restrict
  19. delightedly with delight
  20. flight deck the upper deck of an aircraft carrier; used as a runway