景けい気き循じゅん環かんけいきじゅんかんMeanings1nounbusiness cycle; economic cycleEconomic term referring to the periodic fluctuation of economic activity. Often used in contexts like 景気循環論 (business cycle theory).景けい気き循じゅん環かんは、好こう況きょうと不ふ況きょうを繰くり返かえす。