ADJ-GRADED 不顾及他人的;欠考虑的 If you describe someone as thoughtless, you are critical of them because they forget or ignore other people's wants, needs, or feelings.
...a small minority of thoughtless and inconsiderate people... 一小群只顾自己、不顾别人的人
It was thoughtless of her to mention it... 她提起这事有些欠考虑。