Source : Webster's Revised Unabridged Dictionary (1913)

Implore \Im*plore"\, v. t. [imp. & p. p. {Implored}; p. pr. &
   vb. n. {Imploring}.] [L. implorare; pref. im- in + plorare to
   cry aloud. See {Deplore}.]
   To call upon, or for, in supplication; to beseech; to prey
   to, or for, earnestly; to petition with urency; to entreat;
   to beg; -- followed directly by the word expressing the thing
   sought, or the person from whom it is sought.

         Imploring all the gods that reign above. --Pope.

         I kneel, and then implore her blessing.  --Shak.

   Syn: To beseech; supplicate; crave; entreat; beg; solicit;
        petition; prey; request; adjure. See {Beseech}.

Implore \Im*plore"\, v. i.
   To entreat; to beg; to prey.

Implore \Im*plore"\, n.
   Imploration. [Obs.] --Spencer.

Source : WordNet®

implore
     v : call upon in supplication; entreat; "I beg you to stop!"
         [syn: {beg}, {pray}]