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Definition active during the night; or relating to night
  • The mice are nocturnal, so we never see them, but we see their droppings.
nocturnal = active during the night
  • Caesar ordered a nocturnal attack on Pompey's camp.
  • nocturnal = nighttime
  • I enjoy the nocturnal sounds of the jungle.
  • nocturnal = active during the night
  • Once the town was terrorized by a series of morbid nocturnal events: people's chickens and household pets were found mutilated; although the culprit was Crazy Addie, who eventually drowned himself in Barker's Eddy, people still looked at the Radley Place, unwilling to discard their initial suspicions.
    Harper Lee  --  To Kill a Mockingbird
  • nocturnal = nighttime
  • But I thought that, as a friend of the family, it was my duty to supply you and Tesman with a full account of his nocturnal exploits.
    Henrik Ibsen  --  Hedda Gabler
  • nocturnal = nighttime
  • The wheat crop was full of weeds, and it was discovered that on one of his nocturnal visits Snowball had mixed weed seeds with the seed corn.
    George Orwell  --  Animal Farm
  • nocturnal = nighttime
  • Mom doesn't exactly know about my nocturnal habits.
    Sarah Dessen  --  Along for the Ride
  • nocturnal = nighttime
  • "Raptors are nocturnal," he said.
    Michael Crichton  --  Jurassic Park
  • nocturnal = active during the night
  • Did he really have no clue that I knew about his night prowling—about his nocturnal missions?
    Jay Asher  --  Thirteen Reasons Why
  • nocturnal = active during the night
  • we went into the nocturnal room of the Mammal Building.
    Paul Zindel  --  The Pigman
  • nocturnal = (for animals that are) active during the night
  • charge is nocturnal.
    Henry H. Neff  --  The Hound of Rowan
  • nocturnal = active during the night
  • a cautious nocturnal creature that runs on electricity.
    Haruki Murakami  --  After Dark
  • nocturnal = active during the night
  • The travelers adopted the practice of arranging the animals in a circle at night, sleeping together in the center as protection against the nocturnal cold.
    Paulo Coelho  --  The Alchemist
  • nocturnal = nighttime
  • The Daughters' Staircase was in the ground-floor bedroom of their parents, so Simon always knew the hours of his daughters' nocturnal comings and goings.
    Harper Lee  --  To Kill a Mockingbird
  • nocturnal = nighttime
  • Were they nocturnal animals?
    Michael Crichton  --  Jurassic Park
  • "They're nocturnal,"
    Michael Crichton  --  Jurassic Park
  • Never shall I forget that nocturnal silence which deprived me, for all eternity, of the desire to live.
    Elie Wiesel  --  Night
  • nocturnal = nighttime
  • Late strollers were still out: a policeman, a night watchman, a rocket pilot, several lonely men coming home from some nocturnal rendezvous, four men and women issuing from a bar, laughing.
    Ray Bradbury  --  The Martian Chronicles
  • nocturnal = nighttime
  • With nightfall had begun the nocturnal concert of animals driven from their hiding-places by hunger and thirst.
    Verne, Jules  --  Five Weeks in a Balloon
  • In this way we should be able to watch our man if he struck a light, and see what his object was in this stealthy nocturnal visit.
    Doyle, Sir Arthur Conan  --  The Return of Sherlock Holmes

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