- Sex is the gender of an person, female or male. Sex is any function or behavior involved with reproduction.
- An example of sex is female.
- An example of sex is an act to create a baby.
Her sex is female.
- either of the two divisions, male or female, into which persons, animals, or plants are divided, with reference to their reproductive functions
- the character of being male or female; all the attributes by which males and females are distinguished
- anything connected with sexual gratification or reproduction or the urge for these; esp., the attraction of those of one sex for those of the other
- intercourse (sense )
- the genitalia
Origin of sexMiddle English ; from Classical Latin sexus ; from uncertain or unknown; perhaps secare, to cut, divide: see saw
sexual: sex education
to ascertain the sex of (chickens, etc.)
- to arouse sexually
- to give appealing or titillating characteristics to
Origin of sex-; from Classical Latin sex, six
- a. Sexual activity, especially sexual intercourse: hasn't had sex in months.b. The sexual urge or instinct as it manifests itself in behavior: motivated by sex.
- a. Either of the two divisions, designated female and male, by which most organisms are classified on the basis of their reproductive organs and functions: How do you determine the sex of a lobster?b. The fact or condition of existing in these two divisions, especially the collection of characteristics that distinguish female and male: the evolution of sex in plants; a study that takes sex into account. See Usage Note at gender.
- Females or males considered as a group: dormitories that house only one sex.
- One's identity as either female or male.
- The genitals.
transitive verbsexed, sex·ing, sex·es
- To determine the sex of (an organism).
- Slang a. To arouse sexually. Often used with up.b. To increase the appeal or attractiveness of. Often used with up.
Origin of sexMiddle English, from Latin sexus.
Origin of sex-Latin, from sex, six; see s(w)eks in Indo-European roots.
algolagnia the finding of sexual pleasure in suffering or inflicting physical pain; sadomasochism. —algolagnist, n. —algolagnic, adj. amphierotism Rare. bisexualism. —amphierotic, adj. anaphrodisia Medicine. the absence or loss of sexual desire. Also called sexual anesthesia. andromania nymphomania. aphrodisia an extreme state of sexual desire. aphrodisiac a food or other substance that creates sexual desire. —aphrodisiac, adj. aphrodisiomania a mania for sexual pleasure. autoeroticism Psychoanalysis. the arousal and satisfaction of sexual desires within or by oneself, usually by masturbation. Also autoerotism. —autoerotic, adj. bawdry 1. Archaic. the practice or occupation of being a bawd or procurer. 2. Obsolete, fornication or unlawful intercourse. bestiality sexual relations between a person and an animal. See also behavior. biomagnetism 1. animal magnetism, or the power that enables some people to induce a hypnotic state in others. 2. physical attraction between members of the sexes. —biomagnetic, adj. bisexualism, bisexuality the state of being sexually responsive or attracted to members of both sexes. Also called amphierotism. See also body, human. —bisexual, adj. carnality the practice of finding satisfaction in activities related to fleshly desires and appetites, especially the sexual. — carnal, adj. coitophobia an abnormal fear of sexual intercourse. Also called genophobia. coprophilia 1. the use of obscene or scatological language for sexual gratification. 2. a love of obscenity. 3. Psychiatry. an abnormal interest in feces, especially as a source of sexual excitement. cryptorchidism the failure of one or both testes to descend normally. —cryp-torchid, n., adj. defloration the act of having sexual intercourse with a virgin; devirgination. devirgination Obsolete, the deflowering of a virgin. Also called defloration. edeomania an obsession with genitals. eonism Psychiatry. the adoption, by a male, of feminine mannerisms, clothing, etc. Also called transvestism, transvestitism. epicenism the state or quality of combining characteristics of both sexes. —epicenity, n. —epicene, adj. eroticism 1. the erotic or sexual quality of something. 2. the use of sexually arousing or stimulating materials in literature, drama, art, etc. 3. the condition of being sexually stimulated. 4. a sexual drive or tendency. 5. an abnormally persistent sexual drive. Also erotism. eroticomania an abnormal interest in erotica. erotographomania an abnormal interest in erotic literature. erotology the study of sex as a skill. erotomania abnormal or uncontrollable sexual desire. —erotomaniac, n., adj. erotophobia an abnormal fear of sexual feelings and their physical expression. estrus, oestrus the condition of being in rut or sexual arousal, applied particularly to the female. Also called est rum, oestrum. —estrous, oestrous, adj. eunuchism 1. the process or tradition of castrating males. 2. the state of being a eunuch. fetishism, fetichism Psychiatry. the compulsive use of some object or part of the body as a sexual stimulus, as a shoe, underclothes, a lock of hair, etc. —fetishist, fetichist, n. —fetishistic, fetichistic, adj. flagellation whipping or flogging, either as a religious practice for the mortification of the flesh, or as a sexual activity, for sado-masochistic pleasure. —flagellant, n., adj. —flagellator, n. free-lovism the doctrine or practice of having sexual relations without marriage or any other commitment to an obligation. frottage the act of rubbing against another person for sexual gratification. —frotteur, n. genesiology the study of reproduction. genophobia coitophobia. gerontophilia a sexual attraction to the elderly. —gerontophile. n. —geronto-philic, adj. gynecomania satyriasis. harlotry the state or practice of being a harlot or prostitute. hetaerism, hetairism 1. the practice of concubinage. 2. a social system characterized by its regarding women as common property. —hetaerist, hetairist, n. —hetaeristic, hetairistic, adj. hysteromania nymphomania. inflbulation the act and practice of attaching a clasp, ring, or other device to the genital organs to prevent sexual intercourse. See also captivity. ithyphallicism the worship of an erect phallus or the use of a representation of one in ritual. —ithyphallic, adj. lechery immoderate indulgence of sexual desire; lewd and lustful behavior. —lecher, lecherer, n. —lecherous, adj. libido Psychoanalysis. the force or psychic energy behind human action, especially the sexual urge. —libidinous, adj. lubricity lewd or lecherous behavior or attitude; lasciviousness. —lubricious, adj. mentulomania an obsession with the penis. monoecism the condition of having both male and female sex organs in an individual. —monoecious, adj. necrophilia a sexual attraction to the dead. — necrophile, n. — necrophilic, adj. necrosadism the mutilation of a corpse in order to excite or satisfy sexual urges. —necrosadist, n. nymphomania Pathology. an excessive sexual desire in a female. Also called andromania, hysteromania, oestromania, uteromania. Cf. satyriasis. —nymphomaniac, n., adj. —nymphomaniacal, adj. oestromania nymphomania. oestrus estrus. onanism 1. the practice of preejaculatory withdrawal during intercourse. 2. masturbation. — onanist, n. —onanistic, adj. orchidomania an obsession with testicles. panderism 1. the practice of acting as a go-between in amorous intrigues. 2. the action of soliciting customers for a prostitute or of procuring women for sexual purposes. Also panderage. paraphilia the practice of, indulgence in, or addiction to unusual sexual activities. —paraphilic, adj. paraphobia an abnormal fear of sexual perversion. partialism 1. an emphasis of sexual interest upon one part of the body. 2. a form of fetishism in which the sexual stimulus is a part of the body, as pictures of feet. pornographomania an abnormal interest in pornography. priapism 1. Pathology. a continuous erection of the penis, especially as the result of a disease. 2. a prurient action or display. —priapismic, adj. proxenetism the practice of pimping by females. — proxenetist, n. prurience, pruriency an inclination toward lewdness or lustfulness; lustful behavior. —prurient, adj. salacity 1. lewdness of speech. 2. lustful or lecherous behavior. —salacious, adj. satyriasis Pathology. an abnormal, uncontrollable sexual desire in men. Also called gynecomania, satyrism, satyromania. Cf. nymphomania. —satyr, n. —satyric, adj. scopophilia Psychiatry. 1. Also called passive scopophilia. the deriving of sexual pleasure from viewing nude bodies, sexual acts, or erotic photographs; voyeurism. 2. Also called active scopophilia, scoptophilia. an abnormal desire to be seen, especially genitally; exhibitionism. —scopophiliac, n. —scopophilic, adj. sexology the study of normal and abnormal sexual behavior. —sexologist, n. —sexological, adj. sexual anesthesia anaphrodisia. sexualism emphasis upon sex as being a prime concern in life. transsexualism the psychological phenomenon of a person identifying with the opposite sex, sometimes to the extent of undergoing surgery for change of sex. —transsexual, n., adj. transvestism eonism. ustulation Obsolete, a burning sexual desire; a lustful passion. uteromania nymphomania. venery Archaic. sexual activity; the gratification of sexual impulses. voyeurism the practice of gaining sexual gratification by looking at sexual acts, erotic pictures, etc. —voyeur, n. —voyeuristic, adj. whoredom the act or practice of prostitution. whoremongery 1. the practice of being a whoremaster, or whoremonger. 2. the actions or behavior of a whoremaster, or whoremonger. zoophilia a desire for sexual activity with animals. —zoophilist, n. —zoophilic, zoophilous, adj.