Search Result for "mateless": 
Wordnet 3.0

ADJECTIVE (2)

1. not mated sexually;

2. of someone who has no marriage partner; 



The Collaborative International Dictionary of English v.0.48:

Mateless \Mate"less\, a. [Cf. Matchless.]
   Having no mate.
   [1913 Webster] Matelote


WordNet (r) 3.0 (2006):

mateless
    adj 1: not mated sexually
    2: of someone who has no marriage partner