Urgent
Emergency
noun, な adjective, の adjective
Things are tense and we have to hurry! This is quite the urgent emergency!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
父は緊急手術を受けることになりました。
My dad had to undergo emergency surgery.
緊急の用事ができたので、すぐに帰らなければならなくなってしまいました。
An urgent matter came up, so I have to leave immediately.
緊急連絡先として、家族以外の方の電話番号も書いていただく必要があります。
We also need you to provide a phone number for an emergency contact who is not a family member.
緊急地震速報を携帯で受信した三秒後に、地震が起きました。
Three seconds after receiving an emergency earthquake report on my cellphone, the earthquake occurred.