Definition of grind noun from the Oxford Advanced Learner's Dictionary

     

    grind

     noun
    noun
    BrE BrE//ɡraɪnd//
     
    ; NAmE NAmE//ɡraɪnd//
     
     
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    boring activity
  1. 1[singular] (informal) an activity that is tiring or boring and takes a lot of time the daily grind of family life It's a long grind to the top of that particular profession.
  2. of machines
  3. 2[singular] the unpleasant noise made by machines
  4. swot
  5. 3(US English) (British English swot) [countable] (informal) a person who spends too much time studying
  6. Word Origin Old English grindan, probably of Germanic origin. Although no cognates are known, it may be distantly related to Latin frendere ‘rub away, gnash’.
See the Oxford Advanced American Dictionary entry: grind