The Collaborative International Dictionary of English v.0.48:

Losel \Los"el\, n. [From the root of lose, loss. [root]127. Cf.
   Lorel.]
   One who loses by sloth or neglect; a worthless person; a
   lorel. [Archaic] --Spenser.
   [1913 Webster]

         One sad losel soils a name for aye.      --Byron.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Losel \Los"el\, a.
   Wasteful; slothful.
   [1913 Webster]