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testicles

NOUN
testes
Synonyms
STRONGEST
family jewels
STRONG
ballocks balls gonads male genitalia male genitals nuts rocks
WEAK
cullions

Frequently Asked Questions

What is another word for testicles?
The testicles are the testes (singular testis). They are enclosed within the scrotum. Functionally, the testicles are gonads—reproductive glands. Testicles and testes are both formal, straightforward terms. As with all genitals (aka private parts), there are many, many euphemisms and slang terms for them. By far, the most common slang term for testicles is balls. More crude but also common is nuts. Similar slang terms are stones and rocks. Gonads gives us the slang term nads (and the even slangier nards). There are many other terms, like bits and marbles. The Spanish loanword cojones is sometimes used. Like balls and other slang terms for testicles, it’s also used to mean boldness or courage. The word pair is often used in this way. A more fanciful euphemism is the family jewels. An especially British word is ballocks (sometimes spelled bollocks), which is also used as a general swear word. Some slang phrases, such as twig and berries, refer to the penis and the testicles together. Some terms refer to them collectively—one example is junk.
Are testicles and testes the same thing?
Yes, the words testicles and testes are interchangeable. Testes is more commonly used in formal and technical anatomical and medical contexts. Testicles is the straightforward term most commonly used in nontechnical contexts.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They’ve been found in human organs and tissue, such as brains, livers, placentas and testicles.

From Los Angeles Times • Apr. 2, 2026

Microplastics have been found everywhere in the human body, including blood, breast milk, testicles, heart tissue, lung tissue and various other organs.

From Salon • Feb. 7, 2025

Women may get pain in the tummy, bleeding during or after sex and in between periods, while men can have pain and swelling in the testicles.

From BBC • Dec. 30, 2024

You may be wondering why I, a person without testicles, am so concerned with this stuff.

From Slate • Aug. 23, 2024

What a cruel deal it is to have been born with testicles, and to have to carry them around along with me on my miserable path through life.

From "Winger" by Andrew Smith