How to say "serenity" in Japanese

• 平静へいせいCommon
  noun, na-adjectiveCovers serenity as a calm, unruffled state of mind, often after or despite disturbance; keeping one's composure. Typical in contexts like maintaining a calm heart or losing one's mental equanimity.
• 冷静れいせいJLPT N3approx.Common
  noun, na-adjectiveSerenity as cool-headed composure, especially in judging or reacting to difficult situations. It emphasizes keeping a level head rather than inner peace, so it fits decision-making contexts more than emotional contentment.
  君きみはもっと冷静れいせいに行動こうどうすべきだ。↗

  You should act more calmly.
• 安らぎやすらぎCommon
  no-adjectiveSerenity as peace of mind and restful contentment, a warm sense of being free from worry. The natural choice for emotional serenity, as in finding peace in daily life or in one's final rest.
  私の望のぞむのは安やすらぎと静しずけさだけです。↗

  All I want is peace and quiet.
• 静けさしずけさCommon
  nounStrictly stillness, silence, or quiet of a place or moment; it does not really mean serenity of mind. Choose it for the hush of a night or an empty room, not for someone's calm feelings.
  私の望のぞむのは安やすらぎと静しずけさだけです。↗

  All I want is peace and quiet.
• 静穏せいおんCommon
  noun, na-adjectiveTranquility and calmness, chiefly describing a peaceful, undisturbed state of surroundings such as weather, the sea, or daily life. It suggests the absence of disturbance rather than an inner emotional serenity.
  静穏せいおんは大おおきな宝物たからものである。↗

  Quietness is a great treasure.

Use 平静 or 冷静 for a calm state of mind, 「安らぎ」 for peaceful contentment, 静穏 for calm surroundings, and 「静けさ」 for literal stillness and quiet rather than serenity itself.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 平静へいせいcalm
• 冷静れいせいcalmness
• 安らぎやすらぎpeace (of mind)
• 静けさしずけさstillness
• 静穏せいおんtranquility
• 光風霽月こうふうせいげつserenity