Sentences with Thoughtless

The thoughtless driver swerved between lanes without signaling.

The student received a thoughtless remark on their essay, causing frustration.

During the argument, he uttered a thoughtless comment that hurt her feelings.

The thoughtless decision led to financial difficulties for the company.

The teacher reminded the thoughtless student to proofread their work.

She regretted her thoughtless action, realizing its impact on others.

His thoughtless behavior at the party offended many guests.