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Definition irregular or unpredictable
  • Her behavior became erratic and often argumentative.
erratic = irregular or unpredictable
  • Her erratic behavior makes everyone uncomfortable.
  • erratic = irregular or unpredictable
  • Algernon's behavior is becoming erratic again.
    Daniel Keyes  --  Flowers for Algernon — Novel
  • erratic = irregular or unpredictable
  • She was furious, and when she was furious Calpurnia's grammar became erratic.
    Harper Lee  --  To Kill a Mockingbird
  • erratic = irregular
  • But, as Burt pointed out at the convention, his behavior is erratic.
    Daniel Keyes  --  Flowers for Algernon — Novel
  • erratic = irregular or unpredictable
  • It's also possible that this erratic behavior is unique to Algernon.
    Daniel Keyes  --  Flowers for Algernon — Novel
  • erratic = irregular or unpredictable
  • He walked erratically, as if his right legs were shorter than his left legs.
    Harper Lee  --  To Kill a Mockingbird
  • erratically = in an irregular manner
  • When someone from the audience asked Burt if he was suggesting that this erratic behavior was directly caused by increased intelligence, Burt ducked the question.
    Daniel Keyes  --  Flowers for Algernon — Novel
  • erratic = irregular or unpredictable
  • It is possible that both the increased intelligence and the erratic behavior at this level were created by the original surgery, instead of one being a function of the other.
    Daniel Keyes  --  Flowers for Algernon — Novel
  • erratic = irregular or unpredictable
  • When he found himself moving along the unfamiliar path, he slowed down, and his actions became erratic: start, pause, double back, turn around and then forward again, until finally he was in the cul-de-sac that informed him with a mild shock that he had made a mistake.
    Daniel Keyes  --  Flowers for Algernon — Novel
  • erratic = irregular or unpredictable
  • Bad in that nervous armed men did erratic things, and were thus hard to predict.
    David Baldacci  --  Zero Day
  • His expressive features kindled up, as he recognized the spot where this trifling incident of his erratic life had chanced.
    Nathaniel Hawthorne  --  The House of the Seven Gables
  • The cops said he was driving erratically.
    Malcolm Gladwell  --  Blink
  • Some erratic impulse prompted Ethan to say: "How'd you like me to take you down now?"
    Edith Wharton  --  Ethan Frome
  • The perceptions come without warnings or explanations, erratic as lightning.
    Christina Garcia  --  Dreaming in Cuban
  • Worsening Kate's mood, if that was possible, was a distant, irritating beeping sound, the erratic honking of a faraway horn.
    Trenton Lee Stewart  --  The Mysterious Benedict Society
  • "This thing I do, it's faulty, it's erratic!
    Stephenie Meyer  --  Breaking Dawn
  • Between the third and fourth day, my mood jumped back and forth erratically from wild exhilaration to gloomy apprehension.
    Chaim Potok  --  The Chosen
  • His hands shook and his behavior was erratic.
    James Bradley  --  Flags of Our Fathers
  • Her tapping speeded up and its beat became erratic and nervous.
    John Steinbeck  --  East of Eden

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