Source : Webster's Revised Unabridged Dictionary (1913)

Attempt \At*tempt"\ (?; 215), v. t. [imp. & p. p. {Attempted};
   p. pr. & vb. n. {Attempting}.] [OF. atenter, also spelt
   atempter, F. attenter, fr. L. attentare to attempt; ad +
   tentare, temptare, to touch, try, v. intens. of tendere to
   stretch. See {Tempt}, and cf. {Attend}.]
   1. To make trial or experiment of; to try; to endeavor to do
      or perform (some action); to assay; as, to attempt to
      sing; to attempt a bold flight.

            Something attempted, something done, Has earned a
            night's repose.                       --Longfellow.

   2. To try to move, by entreaty, by afflictions, or by
      temptations; to tempt. [Obs. or Archaic]

            It made the laughter of an afternoon That Vivien
            should attempt the blameless king.    --Thackeray.

   3. To try to win, subdue, or overcome; as, one who attempts
      the virtue of a woman.

            Dear sir, of force I must attempt you further: Take
            some remembrance of us, as a tribute. --Shak.

   4. To attack; to make an effort or attack upon; to try to
      take by force; as, to attempt the enemy's camp.

            Without attempting his adversary's life. --Motley.

   Syn: See {Try}.

Source : WordNet®

attempted
     adj : tried unsuccessfully; "attempted murder"