undersexed (adj.)

• amorous
• carnal
• cold
• erogenic
• erogenous
• erotic
• fleshly
• gamic
• heterosexual
• inhibited
• libidinal
• nuptial
• oversexed
• passionless
• potent
• procreative
• sensual
• sex
• sexed
• sexual
• sexy
• straight
• unresponsive
• venereal
• voluptuous