English · Word Candidate

testosterone

/tɛˈstɒ.stə.ɹəʊn/

Proposed by a contributor, not yet supported by evidence.

Also seen as: testosterones

Sense 1

Meaning · English

A steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex.

Noun

Examples

Mammalian testes contain almost no testosterone because it is sent out into the body as quickly as it is made.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Meaning · English

Manly behavior, often of an aggressive or foolishly reckless nature.

Noun

Examples

Mother encouraged James to rely more on intelligence and less on testosterone to deal with the neighbor's son.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “testosterone” mean?

A steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex.

Is “testosterone” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.