sex
1sex
noun \ˈseks\Definition of SEX
1
: either of the two major forms of individuals that occur in many species and that are distinguished respectively as female or male especially on the basis of their reproductive organs and structures
2
: the sum of the structural, functional, and behavioral characteristics of organisms that are involved in reproduction marked by the union of gametes and that distinguish males and females
3
a : sexually motivated phenomena or behavior b : sexual intercourse
4
See Examples of SEX
- The form asks for your name, age, and sex.
- The couple didn't know what the sex of their baby would be.
- How do you tell the sex of a hamster?
- discrimination on the basis of sex
- Some feel men are the more aggressive sex.
- All he ever thinks about is sex.
- Her mom talked to her about sex.
- She doesn't like all the sex and violence in movies.
- He had sex with his girlfriend.
Origin of SEX
Middle English, from Latin sexus
First Known Use: 14th century
Related to SEX
Synonyms: coition, coitus, commerce, congress, copulating, copulation, coupling, intercourse, lovemaking, mating, relations, sexual intercourse, sex act, sexual relations
Related Words: fornication; safe sex; carnality, sexuality; breeding, insemination; dalliance, hanky-panky, whoopee
Other Biology Terms
Learn More About SEX
Browse
Seen & Heard 
What made you want to look up sex? Please tell us where you read or heard it (including the quote, if possible).
