noun, na-adjective
peace and quiet; safe and peaceful; tranquil and uneventful
Describes a state of complete peace and tranquility, often used for a society or a period without trouble. Can be used as a noun or adjectival noun.
この国は長年太平無事だ。
This country has been peaceful and uneventful for many years.
太平無事な日々を送りたい。
I want to live peaceful and quiet days.
A four-character compound (yojijukugo) combining 太平 (peace) and 無事 (without incident). The exact historical derivation is uncertain, but it follows a common pattern of pairing synonymous concepts for emphasis.