sex activity(n = noun.act) sex, sexual activity, sexual practice - activities associated with sexual intercourse; "they had sex in the back seat"
is a kind of activity, bodily function, bodily process, body process
has particulars: bondage, outercourse, safe sex, conception, carnal knowledge, coition, coitus, congress, copulation, intercourse, relation, sex act, sexual congress, sexual intercourse, sexual relation, pleasure, love, love life, lovemaking, making love, sexual love, carnal abuse, conjugation, coupling, mating, pairing, sexual union, union, breeding, facts of life, procreation, reproduction, arousal, foreplay, stimulation, perversion, sexual perversion, autoeroticism, autoerotism, promiscuity, promiscuousness, sleeping around, lechery, gayness, homoeroticism, homosexualism, homosexuality, queerness, bisexuality, heterosexualism, heterosexuality, straightness, bestiality, zooerastia, zooerasty

activity, advanced research and development activity, agglutinating activity, anal sex, bond-trading activity, business activity, commercial activity, creative activity, educational activity, extracurricular activity, extramarital sex, fair sex, government activity, have sex, human activity, intelligence activity, marine corps intelligence activity, offensive activity, optical activity, oral sex, primary sex character, primary sex characteristic, safe sex, secondary sex character, secondary sex characteristic, sensory activity, sex, sex act, sex appeal, sex bomb, sex cell, sex change, sex character, sex characteristic, sex chromatin, sex chromosome, sex crime, sex drive, sex gland, sex hormone, sex kitten, sex linkage, sex manual, sex object, sex offender, sex offense, sex organ, sex organs, sex segregation, sex starved, sex up, sexual activity, social activity, spare-time activity, subversive activity