Source : Webster's Revised Unabridged Dictionary (1913)

Infract \In*fract"\ (?n-fr[hand]kt"), a. [L. infractus; pref.
   in- not + fractus. p. p. of frangere to break.]
   Not broken or fractured; unharmed; whole. [Obs.] --Chapman.

Infract \In*fract"\, v. t. [imp. & p. p. {Infracted}; p. pr. &
   vb. n. {Infracting}.] [L. infractus, p. p. of of infringere.
   See {Infringe}.]
   To break; to infringe. [R.] --Thomson.

Source : WordNet®

infract
     v : act in disregard of laws and rules; "offend all laws of
         humanity"; "violate the basic laws or human
         civilization"; "break a law" [syn: {transgress}, {offend},
          {violate}, {go against}, {breach}, {break}]