Source : Webster's Revised Unabridged Dictionary (1913)

Impassioned \Im*pas"sioned\, p. p. & a.
   Actuated or characterized by passion or zeal; showing warmth
   of feeling; ardent; animated; excited; as, an impassioned
   orator or discourse.

Source : WordNet®

impassioned
     adj : characterized by intense emotion; "ardent love"; "an ardent
           lover"; "a burning enthusiasm"; "a fervent desire to
           change society"; "a fervent admirer"; "fiery oratory";
           "an impassioned appeal"; "a torrid love affair" [syn: {ardent},
            {burning(a)}, {fervent}, {fervid}, {fiery}, {perfervid},
            {torrid}]