to have sex with someone► have sex · Teenagers should be taught to think carefully before having sex.have sex with · Would you have sex with someone on your first date?· He's never had sex with anyone but his wife.
► sex the act of having sex with someone: · She had no interest in sex after the baby was born.safe sex (=methods of protecting yourself against sexual disease while you are having sex): · Some people ignore advice about safe sex and do not wear condoms.sex education (=teaching young people about sex): · a refreshing and unusual approach to sex education
► make love if two people make love , they have sex because they like or love each other: · All day they made love on the unmade bed.make love with/to: · She thought about Tom Cruise every time she made love with her boyfriend.
► sleep with somebody/sleep together to have sex with someone you are not married to, especially regularly and over a period of time: · She's been sleeping with this guy Mark since the summer.· When did you first find out that Betty and your husband were sleeping together?
► go to bed to have sex with someone on one occasion, especially because they ask you or persuade you to do so: · I remember the first time we went to bed.go to bed with: · He said he'd give me the job if I went to bed with him.
► have (sexual) intercourse formal to have sex with someone - used especially in medical or legal contexts: · The doctor asked him when he had last had intercourse.· You are strongly advised to wear a condom while having sexual intercourse.have (sexual) intercourse with: · The victim later claimed that her attacker forced her to have sexual intercourse with him.
► shag especially British, informal to have sex with someone - used especially humorously: · To hear him talk, you'd think he's shagged every woman in town!· All she ever thinks about is shagging.
► bonk British informal to have sex with someone - used humorously: · They said she'd bonked every man in college.· My mother walked in and caught us bonking.
► lose your virginity to have sex for the first time in your life: · I lost my virginity at the age of seventeen.lose your virginity to: · She had lost her virginity to a law student while at university.
► mate if birds or animals mate , they have sex in order to produce babies: · The birds mate in April and the eggs are hatched by June.a mating call/dance/ritual (=something an animal does when it wants to mate): · Two pigeons performed an elaborate and very noisy mating dance.the mating season/period (=the time of year when animals mate): · During the mating season, foxes become much more vocal.
► sexual relations formal when you have sex with someone - used especially in legal contexts: · Love has nothing to do with sexual relations.sexual relations between: · In most cultures, sexual relations between adults and children are totally unacceptable.