Nothing will excuse such an act.

There is no excuse for such behavior.

He even waved off the excuse of no bathing suits, telling them rentals were available.

His behavior was excusable given the circumstances.

It's excusably late for him to arrive, considering the traffic.

You always make excuses for not doing your share of the work.

Excuse me, can you help me find the nearest train station?

Excuse you! That was rude.