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Merriam-Webster's Learner's Dictionary. Merriam-Webster's Learner's Dictionary.
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crook noun [ˈkrʊk]
  • a dishonest person
  • a criminal
  • the place where part of the body (such as an arm, leg, or finger) bends
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cyberspace noun [ˈsaɪbɚˌspeɪs]
  • the online world of computer networks and the Internet
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cure noun [ˈkjɚ]
  • something (such as a drug or medical treatment) that stops a disease and makes someone healthy again —often + for
  • something that ends a problem or improves a bad situation : solution —often + for
  • the act of making someone healthy again after an illness
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crowded adjective []
  • filled with too many people or things —often + with
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obsidian noun [əbˈsɪdijən]
  • a dark natural glass that forms when lava cools
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paragraph noun [ˈperəˌgræf]
  • a part of a piece of writing that usually deals with one subject, that begins on a new line, and that is made up of one or more sentences
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hindsight noun [ˈhaɪndˌsaɪt]
  • the knowledge and understanding that you have about an event only after it has happened
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fraction noun [ˈfrækʃən]
  • a number (such as 1/2 or 3/4) which indicates that one number is being divided by another; also : a number (such as 3.323) that consists of a whole number and a decimal
  • a part or amount of something
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mention verb [ˈmɛnʃən]
  • to talk about, write about, or refer to (something or someone) especially in a brief way
  • to refer to or suggest (someone) as having a possible role or status
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saber noun []
  • a long, heavy sword with a curved blade
  • a lightweight sword that is used in fencing
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duel noun [ˈduːwəl]
  • a fight between two people that includes the use of weapons (such as guns or swords) and that usually happens while other people watch
  • a situation in which two people or groups argue or compete with each other
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hysterical adjective [hɪˈsterɪkəl]
  • feeling or showing extreme and uncontrolled emotion : marked by hysteria
  • very funny
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palate noun [ˈpælət]
  • the top part of the inside of your mouth : the roof of your mouth
  • the sense of taste
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cleft noun [ˈklɛft]
  • a narrow space in the surface of something
  • a narrow area that looks like a small dent in someone's chin
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playdate noun [ˈpleɪˌdeɪt]
  • a time that parents arrange for their young children to play together
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homeschool verb [ˈhoʊmˌskuːl]
  • to teach your children at home instead of sending them to a school
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surgery noun [ˈsɚʤəri]
  • medical treatment in which a doctor cuts into someone's body in order to repair or remove damaged or diseased parts (chiefly US)
  • the area in a hospital where surgery is performed
  • a place where a doctor or dentist treats people