Noun

• S: (n) sexual activity, sexual practice, sex, sex activity (activities associated with sexual intercourse) "they had sex in the back seat"
• direct hyponym / full hyponym
• attribute
• S: (adj) heterosexual (sexually attracted to members of the opposite sex)
• S: (adj) homosexual (sexually attracted to members of your own sex)
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• W: (adj) sexual [Related to: sex] (having or involving sex) "sexual reproduction"; "sexual spores"
• W: (v) sex [Related to: sex] (stimulate sexually) "This movie usually arouses the male audience"