ichidan verb
too late; too slow
Expresses that an action or event occurs after the appropriate time, or that progress is insufficiently fast. The meaning depends on context: 遅すぎる can refer to lateness (time) or slowness (speed).
今から行っても遅すぎるよ。
Even if we go now, it's too late.
このパソコンは遅すぎて使えない。
This computer is too slow to use.
Standard kanji spelling using 遅い + すぎる.
Alternate spelling using 過ぎる; less common but still seen.
Compound of 遅い (osoi, 'late, slow') + すぎる (sugiru, 'to exceed, be too much').