bisexual bisexual /ˌbaɪˈsɛkʃuːəl/

adjective

1. Sexually attracted to both sexes  ( bisexual , AC/DC [Informal] )
   sexually attracted to both sexes
   
2. Having an ambiguous sexual identity  ( bisexual , epicene )
   having an ambiguous sexual identity
   

noun

1. A person who is sexually attracted to both sexes  ( bisexual , bisexual person )
   a person who is sexually attracted to both sexes