(adjective)
1. without sexual feelings or associations. "asexual individuals may still experience attraction but this attraction doesn't need to be realized in any sexual manner"
2. BIOLOGY (of reproduction) not involving the fusion of gametes. "each polyp is capable of budding new polyps though asexual reproduction in spring" - without sex or sexual organs. "asexual parasites"
(noun)
a person who has no sexual feelings or desires.