The definition of heedless is a person who is careless.
Characterized by neglect; heedless:
Exhibiting a lack of attention; not attentive.
The definition of careless is not paying proper attention to detail or not taking care to do something well enough or correctly.
Requiring little or no effort.
Lax in attending to duty; negligent.
Flowing or blowing with little speed:
Not stopping to think; careless
Paying attention; observant
Thorough and painstaking in action or execution; conscientious:
Feeling and exhibiting concern and empathy for others.
Having obtained something desired or intended:
Deserted by an owner or keeper; abandoned:
Slack; of a loose texture; not rigid or tight
Find another word for neglectful. In this page you can discover 23 synonyms, antonyms, idiomatic expressions, and related words for neglectful, like: heedless, negligent of, inattentive, careless, lazy, remiss, negligent, slack, thoughtless, unmindful and unwatchful.