noun, na-adjective
extremely annoying; great nuisance; quite embarrassing
A strong, emphatic expression for something that is a major bother or embarrassment. Often used in formal or written contexts.
彼の無責任な態度は迷惑至極だ。
His irresponsible attitude is extremely annoying.
こんな時間に電話をかけてくるとは迷惑至極な話だ。
Calling at this hour is a great nuisance.