phrase. If an action or event is too late, it is useless or ineffective because it occurs after the best time for it. It was too late to turn back. See full dictionary entry for late.

What does Too late means?

: not enough and not soon enough to make a difference.

How do you use too late in a sentence?

She had stayed up considerably too late the night before and was definitely feeling the effects of it. The team have probably left such a move about five years too late, but it's better late than never. Numbness came a bit too late in the game for me, right on the heels of anger.