But all his life he will regret that one thoughtless act of disloyalty.

This is going to be the hardest thing you have ever done, and there will be no room for thoughtless acts.

It had been my anger, my thoughtless act I felt that had taken her life, all because of our stupid dueling!

That was a thoughtless act, one that she regarded as a trifling formality without the least real effect upon her natural allegiance.

For a moment, they felt that they were on the verge of committing a thoughtless and thoroughly blasphemous act.

And then she slid upon her way, not visibly the worse for wear as a result of Ralph's thoughtless act of thievery.

A woman who I had "hurt" both by my cruel words and my thoughtless acts!

"You committed a foolish, thoughtless act outside my door, and gave me the chance of easing my conscience of a heavy load."

Karen held the platinum book in her fingers, stunned by her thoughtless act of desecration.

"You have my apology for my thoughtless act just now."