Thesaurus

sex

noun

Synonyms of sex

sexual union involving penetration of the vagina by the penis
  • the students learned about the mechanics of sex and reproduction in health class

Synonyms for sex

Words Related to sex

Phrases Synonymous with sex

See the Dictionary Definition 

Keep scrolling for more

Learn More about sex

Time Traveler for sex

Time Traveler

The first known use of sex was in the 14th century

See more words from the same century

Cite this Entry

“Sex.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sex. Accessed 28 Jan. 2021.

Keep scrolling for more

More from Merriam-Webster on sex

Dictionary: Definition of sex

Medical Dictionary: Definition of sex

Britannica.com: Encyclopedia article about sex

Comments on sex

What made you want to look up sex? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!