1. night owl a person who likes to be active late at night
  2. nightly happening every night
  3. knightly characteristic of the time of chivalry and knighthood in the Middle Ages
  4. night soil human excreta used as fertilizer
  5. nightfall the time of day immediately following sunset
  6. night bell a doorbell to be used at night
  7. nightlife the entertainment available to people seeking nighttime diversion
  8. nighthawk a person who likes to be active late at night
  9. night life the entertainment available to people seeking nighttime diversion
  10. night-line a fishing line with baited hooks left in the water to catch fish over night
  11. knighthood aristocrats holding the rank of knight
  12. nightlong lasting, open, or operating through the whole night
  13. nightgown lingerie consisting of a loose dress designed to be worn in bed by women
  14. nighttime the time after sunset and before sunrise while it is dark outside
  15. nightwear garments designed to be worn in bed
  16. night latch doorlock operated by a knob on the inside and a key on the outside
  17. night-light light that burns in a bedroom at night
  18. hightail leave as fast as possible
  19. nighted overtaken by night or darkness
  20. nightie lingerie consisting of a loose dress designed to be worn in bed by women

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