1An emergency — an unusual, urgent situation such as an earthquake or fire that requires immediate action or evacuation.
ビルの各階に非常口の案内が表示されている。
Emergency exit signs are posted on every floor of the building.
非常の際にすぐ連絡が取れるよう、緊急連絡先を登録しておこう。
Let's register an emergency contact so we can get in touch right away if something happens.
会社では非常時に備えて避難訓練を年に一度行っている。
The company holds an evacuation drill once a year to prepare for emergencies.
2Far beyond the ordinary degree; most often used adverbially as 非常に to emphasize the extent of something ("extremely," "very").
今年の冬は非常に寒くて、水道管が凍ってしまった。
This winter was extremely cold, and the water pipes froze.
その知らせを聞いて、彼女は非常に喜んだ。
When she heard the news, she was extremely delighted.
彼の説明は非常にわかりやすく、初心者にも理解できた。
His explanation was extremely clear, and even beginners could understand it.
非常な決意を持って、彼は新しい事業に挑んだ。
With extraordinary resolve, he took on the challenge of a new venture.