noun
Baseball term for a game in which a pitcher (or pitchers) allows no opposing player to reach base. The Japanese synonym 完全試合 is also used.
See also: 完全試合
彼はプロ野球でパーフェクトゲームを達成した。
He pitched a perfect game in professional baseball.
パーフェクトゲームは投手にとって最高の栄誉の一つだ。
A perfect game is one of the highest honors for a pitcher.