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grind (EN)
verb, noun

verb “grind”

infinitive grind; he grinds; past tense ground; past part. ground; ger. grinding
  1. to make something into smaller pieces by pressing and rubbing it against another surface
    She used a mortar and pestle to grind the spices into a fine powder.
  2. to wear away or shape something by rubbing it against a rough surface
    The machinist carefully ground the rough edges off the metal plate.
  3. to move something with difficulty because it is rubbing against another surface
    The old car's gears ground loudly as it struggled up the steep hill.
  4. to slide the bottom part of a skateboard or snowboard along a rail or edge
    Jake loves to grind on the edge of the skatepark's concrete ledge.
  5. to dance very close to someone in a way that might look sexual
    At the club, they started to grind to the beat of the music.
  6. to do the same action many times in a game to achieve a goal
    I had to grind for hours to level up my character in the game.

noun “grind”

singular grind, plural grinds or uncountable
  1. the process of making something into powder or making it sharp by rubbing
    She gave the mixture a grind to get a fine powder.
  2. a job or task that is boring and takes a lot of effort
    Studying for exams can be such a grind.
  3. a specific instance of pulverization of coffee beans
    I need a fine grind for my French press coffee.
  4. a move in skateboarding or snowboarding where the board slides on a rail or edge
    Jake nailed a perfect grind on the rail at the skate park.