The Collaborative International Dictionary of English v.0.48:

Violent \Vi"o*lent\, a. [F., from L. violentus, from vis
   strength, force; probably akin to Gr. ? a muscle, strength.]
   1. Moving or acting with physical strength; urged or impelled
      with force; excited by strong feeling or passion;
      forcible; vehement; impetuous; fierce; furious; severe;
      as, a violent blow; the violent attack of a disease.
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            Float upon a wild and violent sea.    --Shak.
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            A violent cross wind from either coast. --Milton.
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   2. Acting, characterized, or produced by unjust or improper
      force; outrageous; unauthorized; as, a violent attack on
      the right of free speech.
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            To bring forth more violent deeds.    --Milton.
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            Some violent hands were laid on Humphrey's life.
                                                  --Shak.
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   3. Produced or effected by force; not spontaneous; unnatural;
      abnormal.
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            These violent delights have violent ends. --Shak.
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            No violent state can be perpetual.    --T. Burnet.
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            Ease would recant
            Vows made in pain, as violent and void. --Milton.
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   Violent presumption (Law), presumption of a fact that
      arises from proof of circumstances which necessarily
      attend such facts.

   Violent profits (Scots Law), rents or profits of an estate
      obtained by a tenant wrongfully holding over after
      warning. They are recoverable in a process of removing.
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   Syn: Fierce; vehement; outrageous; boisterous; turbulent;
        impetuous; passionate; severe; extreme.
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Bouvier's Law Dictionary, Revised 6th Ed (1856):

VIOLENT PROFITS, Scotch law. The gains made by a tenant holding over, are so
called. Ersk. Inst. R. 2, tit. 6, s. 54.