What are the opposite words for thoughtlessness?

Thoughtfulness can be defined as a quality of being considerate towards others, and antonyms for this word would be recklessness, impulsiveness, and inconsiderateness. Recklessness implies a disregard for the consequences of one's actions, while impulsiveness suggests acting without thinking about the situation at hand. Inconsiderateness is the absence of thoughtful consideration for others, and it can manifest in various forms such as neglecting to acknowledge someone's feelings or needs. All of these antonyms share a lack of care and attention towards others, contrasting with the mindful and empathetic qualities of thoughtfulness.