noun
personality; character; disposition
Refers to a person's inherent psychological traits, temperament, or moral character. Often used in descriptions of people, self-analysis, or compatibility.
彼は明るい性格で、誰とでもすぐ仲良くなる。
He has a cheerful personality and quickly becomes friends with anyone.
性格が合わない人と一緒に働くのは大変だ。
It's tough working with someone whose personality doesn't match yours.
noun
Used for the inherent qualities or character of things, events, organizations, etc., not just people. Common in formal or analytical contexts.
この問題の性格上、解決には時間がかかるだろう。
Given the nature of this problem, it will probably take time to resolve.
その組織の性格を理解することが重要だ。
It's important to understand the nature of that organization.