Added 9 October 2026
testosterone
/tɛˈstɒ.stə.ɹəʊn/ noun
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about testosterone at Wordnik → Where our words come from →
- A steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex.
-
Manly behavior, often of an aggressive or foolishly reckless nature.
Mother encouraged James to rely more on intelligence and less on testosterone to deal with the neighbor's son.
Origin
From test(is) + -o- + -sterone (“steroid hormone”).
From Wiktionary, via Kaikki.org (CC BY-SA)