Source : Webster's Revised Unabridged Dictionary (1913)

Rumorous \Ru"mor*ous\, a. [Cf. OF. rumoreux, It. rumoroso,
   romoroso.]
   1. Of or pertaining to a rumor; of the nature of rumors.
      [Obs.] --Sir H. Wotton.

   2. Famous; notorious. [Obs.] --Bale.

   3. Murmuring. [Obs. or Poetic] --Drayton.