Source : Webster's Revised Unabridged Dictionary (1913)

Beardless \Beard"less\, a.
   1. Without a beard. Hence: Not having arrived at puberty or
      manhood; youthful.

   2. Destitute of an awn; as, beardless wheat.

Source : WordNet®

beardless
     adj 1: having no beard [syn: {whiskerless}]
     2: lacking hair on the face; "a smooth-faced boy of 14 years"
        [syn: {smooth-faced}]