1. light speed the speed at which light travels in a vacuum
  2. eight-spot one of four playing cards in a deck with eight pips on the face
  3. lights-out a prescribed bedtime
  4. nightspot a spot that is open late at night and that provides entertainment (as singers or dancers) as well as dancing and food and drink
  5. Godspeed a successful journey
  6. high-speed operating at high speed
  7. light-skinned having little skin pigmentation
  8. light second the distance light travels in a vacuum in one second
  9. light-armed armed with light weapons
  10. light-boned having a bone structure that is light with respect to the surrounding flesh
  11. light bread bread made with finely ground and usually bleached wheat flour
  12. light opera a short amusing opera
  13. lightheaded weak and likely to lose consciousness
  14. tightlipped inclined to secrecy or reticence about divulging information
  15. light beer lager with reduced alcohol content
  16. light pen (computer science) a pointer that when pointed at a computer display senses whether or not the spot is illuminated
  17. lightsome moving easily and quickly; nimble
  18. lighted set afire or burning
  19. light-footed (of movement) having a light and springy step
  20. light-haired being or having light colored skin and hair and usually blue or grey eyes

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