The Collaborative International Dictionary of English v.0.48:

Unanswered \Unanswered\
   See answered.

The Collaborative International Dictionary of English v.0.48:

Unanswered \Un*an"swered\, a.
   1. Not answered; not replied to; as, an unanswered letter.
      [1913 Webster]

   2. Not refuted; as, an unanswered argument.
      [1913 Webster]

   3. Not responded to in kind; unrequited; as, unanswered
      affection.
      [1913 Webster]

WordNet (r) 3.0 (2006):

unanswered
    adj 1: not returned in kind; "unrequited (unanswered) love"
           [syn: unanswered, unreciprocated, unrequited]