Sex Definition

sĕks
sexed, sexes, sexing
noun
sexes
Sexual activity, especially sexual intercourse.
Hasn't had sex in months.
American Heritage Medicine
Either of the two divisions, male or female, into which persons, animals, or plants are divided, with reference to their reproductive functions.
Webster's New World
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.
Webster's New World
The character of being male or female; all the attributes by which males and females are distinguished.
Webster's New World
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.
American Heritage Medicine
Synonyms:
Antonyms:
verb
sexed, sexes, sexing
To ascertain the sex of (chickens, etc.)
Webster's New World
To arouse sexually. Often used with up.
American Heritage
To increase the appeal or attractiveness of. Often used with up.
American Heritage
prefix
Six.
Sexpartite.
American Heritage
adjective
Sex education.
Webster's New World
affix
Six.
Webster's New World
idiom
sex up
  • to arouse sexually
  • to give appealing or titillating characteristics to
Webster's New World

Other Word Forms of Sex

Noun

Singular:
sex
Plural:
sexes

Idioms, Phrasal Verbs Related to Sex

Origin of Sex

  • Latin from sex six s(w)eks in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Middle English from Latin sexus

    From American Heritage Dictionary of the English Language, 5th Edition

  • Latin sex- (six).

    From Wiktionary

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