閏うるう年どしalso: じゅんねんうるうどしCommon word›JLPTN1›Freq.FrequencyTop 100,000Meanings1noun, noun which may take the genitive case particle 'no'leap yearA calendar year with an extra day, such as February 29 in the Gregorian calendar. Used as a noun and as a の-modifier, as in 閏年の二月.今年ことしは閏うるう年どしです。This year is a leap year.