Search Dictionary
Definition of sex

sex

/sɛks/
sex

Adverb:sexually
•
Plural:sexes
•
Adjective:sexual
•
Past Simple:sexed
•
Past Participle:sexed
•
Present Participle:sexing
JUMP TO:

sex Lexical Profile

sex Game Scores & Validity

• noun

1

Either of the two main categories (male and female) into which humans and most other living things are divided on the basis of their reproductive functions and biological traits.

Example

"The application form requires candidates to state their age and sex for demographic analysis."


2

Sexual activity, including specifically sexual intercourse.

Example

"Comprehensive health education classes teach students about human anatomy and safe sex."

Synonyms
View all synonyms for sex
Antonyms
View all antonyms for sex

• verb

1

To determine the biological sex of an animal or bird, especially when young.

Example

"It takes a trained veterinarian or experienced breeder to accurately sex newly hatched chicks."

Word Nuance & Usage

In modern scientific and sociological usage, 'sex' typically refers to biological and physiological characteristics (such as chromosomes and reproductive anatomy), whereas 'gender' refers to socially constructed roles, behaviors, and identities.

• Rhymes for sex

Word Origin & Etymology

Borrowed in Middle English from Old French 'sexe', from Latin 'sexus' (male or female state), which is likely related to the Latin verb 'secare' (to divide or cut), referring to the division of organisms into male and female halves.

Cite this Entry


Wordmom. (2026). Definition of Sex. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/sex
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.