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Verb: use up
  1. Use (resources or materials) over time in order to function
    "this car uses up a lot of gas";
    - consume, eat up, eat, deplete, exhaust, run through, wipe out
  2. Require (time or space)
    "It used up three hours to get to work this morning";
    - take, occupy

Derived forms: using up, used up, uses up

Type of: drop, expend, spend, use