Definition of upright adjective from the Oxford Advanced Learner's Dictionary

     

    upright

     adjective
    adjective
    BrE BrE//ˈʌpraɪt//
     
    ; NAmE NAmE//ˈʌpraɪt//
     
    Position and movement, Moral, Honest
     
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  1. 1(of a person) not lying down, and with the back straight rather than bent an upright posture Gradually raise your body into an upright position. See related entries: Position and movement
  2. 2placed in a vertical position Keep the bottle upright. an upright freezer (= one that is taller than it is wide) an upright piano (= one with vertical strings) an upright vacuum cleaner (= one designed to be used in a vertical position)
  3. 3(of a person) behaving in a moral and honest way synonym upstanding an upright citizen See related entries: Moral, Honest
  4. Word Origin Old English upriht, of Germanic origin; related to Dutch oprecht and German aufrecht (see up, right).Extra examples Polly jerked upright, wild-eyed and blinking. Pulling himself upright, he squared his shoulders. She held herself rigidly upright. Slowly the boat came upright. The flag pole wouldn’t stay upright. a fully upright posture rows of children sitting upright at their desks An upright freezer requires less floor space than a chest freezer. Humans have evolved an upright stance. Meals are better taken sitting on an upright chair , not slumped in front of the television. Try to maintain an upright posture while doing this exercise.Idioms to sit or stand with your back straight See related entries: Position and movement
See the Oxford Advanced American Dictionary entry: upright