安穏|あんのんannon[0]heiban (flat)

1. noun, na-adjectivepeace; quiet; tranquility; tranquillity

• Synonym平静へいせいWrittenWritten/formal prose. Mostly describes a calm state of mind or a settled situation, as in 「平静を装う」「平静を取り戻す」; 「安穏」 is about days lived free of worry.
• Synonym平穏へいおんNeutralThe default word for uneventful, untroubled times, as in 「平穏な日々」. More common than 「安穏」 and natural in both speech and writing.
• Synonym静穏せいおんWrittenWritten/formal prose. Quiet calm, typically of weather, the sea or surroundings; 「静穏な日々」 also works. Leans toward undisturbed quiet, 「安穏」 toward a carefree life.
• Synonym太平たいへいWrittenWritten/formal prose. Peace in the world at large, free of war or strife, as in 「天下太平」; can also describe a person living carefree and at ease.
• Synonym平和へいわNeutralThe most common word: peace and harmony, with no war or conflict; also used of harmonious families. A broader range than 「安穏」.
• Synonym無事ぶじNeutralCommon in speech: safe and sound, nothing going wrong, as in 「無事に帰る」. Focuses on the feared thing not happening or things turning out well.
• Synonym安泰あんたいWrittenWritten/formal prose. A position or organization being secure and unthreatened, as in 「お家安泰」; about continued existence, while 「安穏」 is about a peaceful daily life.
• Synonym平安へいあんWrittenWritten/formal prose. Being safe and untroubled, as in 「心の平安」「家族の平安」; also names the Heian period and appears in letter conventions. More solemn than 「安穏」.
• Synonym穏やかおだやかNeutralCommon in speech: calm and mild, typically of weather, the sea or a personality. 「安穏」 is about living one's days in peace.
• Synonym安らかやすらかNeutralSerene and at peace, as in 「安らかに眠る」; leans toward inner calm and repose, while 「安穏」 is about one's days being steady.
• Synonym安らぎやすらぎNeutralA noun for peace of mind and comfort, as in 「心の安らぎ」; a spiritual feeling, not a way of describing how one's life is going.
• Synonym静かしずかNeutralThe most general word: quiet, with little sound or activity. 「静かな暮らし」 can describe a quiet life, but without the carefree nuance of 「安穏」.
• SynonymのどかNeutralLeisurely and tranquil, mostly of rural scenery or mild weather, as in 「のどかな風景」; leans toward scenery and atmosphere.
• Synonym落ち着いたおちついたNeutralA modifier meaning settled, calm and composed, as in 「落ち着いた雰囲気」; it leans toward a steady air, manner or mood, where 「安穏」 stresses days free of worry.
• Synonym静謐せいひつWrittenA literary, elegant written word for stillness, leaning toward a hushed atmosphere, as in 「静謐な空間」; can also mean the world being settled. Strongly literary.
• Synonym寧静ねいせいWrittenWritten/formal prose and very rare: inner tranquility of mind. For a peaceful life, 「平穏」 or 「安穏」 is the usual choice.
• Synonym安寧あんねいWrittenWritten/formal prose. Society being peaceful and orderly, with a public-order slant, as in 「社会の安寧」; 「安穏」 speaks of one's own life running smoothly.
• Related安静あんせいNeutralMostly heard in medical settings for resting and limiting movement, as in 「絶対安静」; it can also mean calm, but 「安穏」 is about days passing peacefully.
• Related円満えんまんNeutralHarmonious and free of conflict, as in 「夫婦円満」「円満解決」; the focus is on relationships and matters without friction, while 「安穏」 is about untroubled days.
• Related安心あんしんNeutralFeeling relieved, with worries lifted — a state of mind. 「安穏」 describes a life that is peaceful and stable.
• Related穏便おんびんNeutralHandling something quietly and without escalation, as in 「穏便に済ませる」; about how a matter is dealt with, unrelated to a peaceful life.
• Related落ち着きおちつきNeutralA noun for composure and steadiness, or a settled state of affairs, as in 「落ち着きがない」; leans toward character and behavior.
• Related温和おんわNeutralMild — of climate or personality, also of moderate statements and measures. Not used of a life being peaceful and secure.
• RelatedのどやかWrittenWritten/formal prose and rare today: leisurely, serene scenery or atmosphere with a poetic feel. In everyday use, 「のどか」 is the normal choice.
• Related康寧こうねいWrittenVery rare: health and tranquility of body and mind, found mainly in greetings and congratulations. For everyday peace, use 「平穏」 or 「安らか」.
• Antonym危険きけんNeutralAntonym: danger, the possibility that something may go wrong — the opposite of 「安穏」's untroubled safety.
• Antonym不安ふあんNeutralAntonym: anxiety, an unsettled mind full of worry — the opposite of 「安穏」's calm and peace.

「安穏」 is a written/formal word for days lived in peace and quiet, as in 「安穏な暮らし」「安穏と暮らす」. For uneventful safety, the everyday defaults are 「平穏」 and 「無事」. Reach for 「平和」 for peace and harmony, 「静か」 for quiet, 「穏やか」 for calm weather or a mild personality, 「静穏」 for calm seas and skies, 「安らぎ」 or 「安心」 for peace of mind, and 「危険」 for danger.

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

1. 平和へいわで穏おだやかなこと。