Source : Webster's Revised Unabridged Dictionary (1913)

Dreadless \Dread"less\, a.
   1. Free from dread; fearless; intrepid; dauntless; as,
      dreadless heart. ``The dreadless angel.'' --Milton.

   2. Exempt from danger which causes dread; secure. `` safe in
      his dreadless den.'' --Spenser.

Dreadless \Dread"less\, adv.
   Without doubt. [Obs.] --Chaucer.