• 急きゅう

  sudden, abrupt, unexpected

• 急死きゅうし

  sudden death

• 急性きゅうせい

  acute (illness)

• 急患きゅうかん

  emergency case

• 急用きゅうよう

  urgent business

• 急病きゅうびょう

  sudden illness

• 急速きゅうそく

  rapid (e.g. progress)

• 急進きゅうしん

  rapid progress, radical progress

• 急落きゅうらく

  sudden fall, sharp fall, sudden drop, sharp drop

• 急逝きゅうせい

  sudden death, unexpected death

• 急ぎいそぎ

  haste, hurry, expedition, speed, dispatch

• 急騰きゅうとう

  sudden rise (in price), sharp rise, jump, surge

• 急務きゅうむ

  urgent business, pressing need, imperative

• 急伸きゅうしん

  sudden rise (esp. of stock prices), jump

• 急遽きゅうきょ

  hurriedly, in a hurry, hastily, in haste

• 急激きゅうげき

  sudden, abrupt, rapid, sharp, drastic, radical

• 急ぐいそぐ

  to hurry, to rush, to hasten, to make something happen sooner

• 急増きゅうぞう

  rapid increase, proliferation, surge, explosion

• 急行きゅうこう

  hurrying (to somewhere), rushing, hastening

• 急変きゅうへん

  sudden turn, sudden change

• 急にきゅうに

  swiftly, rapidly, quickly, immediately, hastily, hurriedly

• 急所きゅうしょ

  vital part (of the body), tender spot, weak point, vitals

• 準急じゅんきゅう

  semi-express train, local express train, sub-express train

• 救急きゅうきゅう

  first-aid, emergency (aid)

• 危急ききゅう

  emergency, crisis, imminent danger

• 緊急きんきゅう

  urgency, emergency

• 性急せいきゅう

  hasty, rash, rushed, hurried, impatient, impetuous, quick-tempered

• 特急とっきゅう

  limited express (train for which a limited-express ticket is required)

• 早急そうきゅう

  immediate, prompt, quick, rapid, urgent, pressing

• 至急しきゅう

  urgent, pressing, immediate, prompt, express

• 応急おうきゅう

  emergency, first-aid

• 緩急かんきゅう

  high and low speed, fast and slow, pace, tempo

• 急成長きゅうせいちょう

  rapid growth

• 急かすせかす

  to hurry (up), to urge on, to press, to rush

• 急いでいそいで

  hurriedly, in haste, in a rush, quickly

• 救急箱きゅうきゅうばこ

  first-aid kit

• 超特急ちょうとっきゅう

  super express

• 救急車きゅうきゅうしゃ

  ambulance

• 大急ぎおおいそぎ

  great hurry, great haste, rush

• 急ピッチきゅうピッチ

  quick pace

• 救急医療きゅうきゅういりょう

  emergency medicine

• 緊急事態宣言きんきゅうじたいせんげん

  declaration of a state of emergency

• 急くせく

  to hurry, to rush

• 急派きゅうは

  dispatch, despatch

• 急須きゅうす

  small teapot

• 急送きゅうそう

  dispatch, despatch

• 急焼きびしょ

  small teapot

• 急峻きゅうしゅん

  steep, sharp

• 急冷きゅうれい

  rapid cooling

• 急告きゅうこく

  urgent notice