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Definition of flunk:

  1. A failure or backing out
  2. a total failure in a recitation.
  3. To fail in; to shirk, as a task or duty.
  4. To fail, as on a lesson; to back out, as from an undertaking, through fear.


failing, go wrong, neglect, break, go, thrive, weakness, break down, bombard, miscarry, flush it, conk out, give out, betray, die, bomb, run out, fail, go bad, give way.

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