理性 (りせい, risei) Japanese meaning: reason | Kotomoraず
、
理
性
で
判
断
す
べき
だ
。
You should judge with reason, not be swayed by emotion.
He lost his reason and flew into a rage.
Usage patterns
理性を失うto lose one's reason/rationality
He lost his reason out of sheer anger.
理性を保つto keep one's composure/reason
She kept her composure no matter the situation.
理性を働かせるto apply one's reason/rational thinking
Let's not panic and think it through rationally.
〈事〉は理性を欠く(something) lacks rationality/reason
The remark was criticized as lacking rationality.
Expressions
理性のタガthe bounds of reason; the limits of common sense
野性
N1
野性 is raw, untamed instinct, whereas 理性 is rational thought that controls or suppresses such instinct.
理性 is rational, logical thinking, often contrasted with 感性, which is intuitive, emotional or aesthetic perception.
