Source : Webster's Revised Unabridged Dictionary (1913)

Importune \Im`por*tune"\, v. t. [imp. & p. p. {Importuned}; p.
   pr. & vb. n. {Importuning}.] [From {Importune}, a.: cf. F.
   importuner.]
   1. To request or solicit, with urgency; to press with
      frequent, unreasonable, or troublesome application or
      pertinacity; hence, to tease; to irritate; to worry.

            Their ministers and residents here have perpetually
            importuned the court with unreasonable demands.
                                                  --Swift.

   2. To import; to signify. [Obs.] ``It importunes death.''
      --Spenser.

Importune \Im`por*tune"\, v. i.
   To require; to demand. [Obs.]

         We shall write to you, As time and our concernings
         shall importune.                         --Shak.

Source : WordNet®

importune
     v : beg persistently and urgently; "I importune you to help
         them" [syn: {insist}]