regrettable; unfortunate; deplorable
Formal expression of regret or dissatisfaction, often used in official statements, apologies, or diplomatic language. Carries a weighty, serious tone.
This decision is extremely regrettable.
政府は遺憾の意を表明した。
The government expressed its regret.
The prime minister formally expressed regret over the remark.
The company regards the accident as extremely regrettable.
The negotiations ended in a regrettable outcome.