noun, na-adjective
peace and quiet; safe and peaceful; tranquil and uneventful
Describes a state free from trouble, danger, or disturbance; often used for uneventful journeys or calm situations.
旅は無事太平に終わった。
The trip ended safely and uneventfully.
この町はいつも無事太平だ。
This town is always peaceful and quiet.
A four-character compound combining 無事 (safety, without incident) and 太平 (peace, tranquility). The exact historical derivation is uncertain, but it likely arose as an emphatic expression for a state of complete peace and safety.