過か去こ最さい低ていかこさいていMeanings1noun which may take the genitive case particle 'no', nounlowest ever; record-low; lowest on recordUsed in news, statistics, and formal contexts to describe a figure that is the lowest since records began. Often modifies nouns with の.Antonyms: 過去最高今年ことしの出しゅっ生しょう数すうは過か去こ最さい低