lacking in consideration for others; inconsiderate; tactless: a thoughtless remark. characterized by or showing lack of thought: a shallow, thoughtless book. not thinking enough; careless or heedless: thoughtless of his health. devoid of or lacking capacity for thought.

What is the meaning of being thoughtless?

1 : lacking concern for others : inconsiderate rude and thoughtless behavior a thoughtless remark. 2a : insufficiently alert : careless. b : reckless, rash thoughtless actions. 3 : devoid of thought : insensate.

What is a thoughtless person?

(θɔtlɪs ) adjective. If you describe someone as thoughtless, you are critical of them because they forget or ignore other people's wants, needs, or feelings.