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).
His nature is very gentle.
A job that doesn't suit one's nature won't last long.
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).
We need to investigate the properties of this substance.
unchanging essence (Buddhism)
Buddhist term referring to the fundamental nature that remains unchanged regardless of external conditions. Rare in everyday conversation.
In Buddhism, it is said that the essential nature is not influenced by the external world.