Casual sex is sexual activity that takes place outside a romantic relationship and implies an absence of commitment, emotional attachment, or familiarity between sexual partners. A one-night stand is a single sexual encounter between individuals, where at least one of the parties has no immediate intention or expectation of establishing a longer-term sexual or romantic relationship.
Anonymous sex is a form of one-night stand or casual sex between people who have very little or no history with each other, often engaging in sexual activity on the same day of their meeting and usually never seeing each other again afterwards.
The terms friends with benefits and booty call [ 4 ] describe situations in which a person has sex with someone they generally consider a friend or someone they are fairly close to. They are not in an exclusive romantic relationship.
A study, published in The Journal of Sex Research , found that two out of five single women and one out of five single men in "friends with benefits" relationships hoped that their relationship would eventually turn into a full-fledged romance.
Recreational sex can take place in an open marriage , [ 8 ] among swingers where sex is viewed as a social occasion , [ 9 ] [ 10 ] or in an open relationship.
