急きゅう降こう下かTop 25000MeaningsNounSuru verbIntransitive verb1. sudden drop; sharp fall; nosedive; swoopKanji used急hurry降descend下belowPitch accentきゅうこうかComposed of急きゅうsudden; abrupt; unexpected; urgent; pressing; steep; sharp; precipitous; rapid; swift; …Na-adjective降こう下かdescent; fall; drop; (atmospheric) depression; passing down (of an order, decree, etc.)NounUsed in vocabulary急きゅう降こう下か爆ばく撃げきdive bombingNoun最さい急きゅう降こう下か法ほうsaddle point method; steepest descent method; gradient descent methodNounExamples1ワシは獲え物ものめがけて急きゅう降こう下かした。The eagle dived at its prey.