2000年代 [にせんねんだい] /(n) (1) the 2000s (decade, i.e. 2000-2009)/the '00s/the aughts/the noughties/(n) (2) the 2000s (century, i.e. 2000-2099)/(n) (3) the 2000s (millennium, i.e. 2000-2999)/EntL2851059/