noun
nature; disposition; temperament; character
Refers to a person's innate character or temperament. Often used in compound words like 性格 (personality) or 性分 (one's nature).
彼の性はとても穏やかだ。
His nature is very gentle.
性に合わない仕事は長く続かない。
A job that doesn't suit one's nature won't last long.
noun
Refers to an inherent quality or property of something, often used in technical or philosophical contexts. Can be seen in words like 酸性 (acidity) or 可能性 (possibility).
この物質の性を調べる必要がある。
We need to investigate the properties of this substance.
noun
unchanging essence (Buddhism)
Buddhist term referring to the fundamental nature that remains unchanged regardless of external conditions. Rare in everyday conversation.
仏教では、性は外界の影響を受けないとされる。
In Buddhism, it is said that the essential nature is not influenced by the external world.