Adjective sexual has 3 senses
  1. sexual - of or relating to or characterized by sexuality; "sexual orientation"; "sexual distinctions"
  2. sexual - having or involving sex; "sexual reproduction"; "sexual spores"
    asexual, nonsexual, agamic, agamous, agamogenetic, apomictic, parthenogenetic, neuter, sexless, vegetal, vegetative, fissiparous
  3. intimate, sexual - involved in a sexual relationship; "the intimate (or sexual) relations between husband and wife"; "she had been intimate with many men"
    Antonym: unsexy (indirect, via sexy)