緩急 かんきゅう high and low speed #8,494 Meanings noun high and low speed; fast and slow; pace; tempo lenience and severity emergency; crisis; dire situation Its kanji 緩 カン · ゆる.い、ゆる.やか、ゆる.む、ゆる.める slacken, loosen, relax, lessen, be moderate, ease 急 キュウ · いそ.ぐ、いそ.ぎ、せ.く hurry, emergency, sudden, steep