Thoughtless

How thoughtless of you to do that.

It's thoughtless of her to say so.

What a thoughtless man to do that!

The movie star ate crow many times because of all the thoughtless things she said.

Thoughtless speech may give rise to great mischief.

I sensed with discomfort that the two of them might ridicule me behind my back as a thoughtless, simple-minded satyr.

He's not the kind of person to act without thinking. He's not a thoughtless person.

Tom was thoughtless.

Tom was thoughtless, wasn't he?

Mary was thoughtless, wasn't she?

A thoughtless remark.

The debate turned into thoughtless bickering.

In thoughtless and breathless fear I rushed forward to avoid this host of demons, but while flying thus still more frightful and distorted shapes appeared, and I fancied I felt their hands clutching me.