(Archaic) Not well considered or carefully thought out; ill-advised:
Not stopping to think; careless
Not taking due thought; thoughtless or heedless:
Thorough and painstaking in action or execution; conscientious:
Find another word for disregardful. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for disregardful, like: inconsiderate, thoughtless, unthinking, unthoughtful, careful, courtesy, unhelpful and unobliging.