unmated

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. not mated sexually (Freq. 1)
• Ant:
mated
• Similar to:
mateless
• See Also:
unmarried, single
2. of the remaining member of a pair, of socks e.g.
• Syn:
odd, unmatched, unpaired
• Similar to:
mismatched