Part of speech:
Without thought or consideration for others; thoughtless; heedless
Marked by or resulting from lack of forethought or thoroughness:
Thorough and painstaking in action or execution; conscientious:
Characterized by too great haste or recklessness
Acting or done suddenly with little thought; rash; impulsive
The definition of inadvertent is something unintentional or careless.
Exhibiting a lack of attention; not attentive.
Not discreet; lacking prudence, as in speech or action
The definition of oblivious is being forgetful or unaware of your surroundings.
Not energetic or exact in duty or business; careless; tardy; slack; hence, lacking earnestness or activity; languid; slow.
Not noticing; paying no heed; thoughtless; inattentive.
Not taking due thought; thoughtless or heedless:
Paying close attention; alert or observant:
Paying close attention; mindful.
Full of caution; careful to avoid danger; circumspect; wary
Involved or interested
The definition of thoughtful is someone who is pondering or someone that shows care or sympathy for others.
The definition of caring is someone or something that shows kindness and concern for others.
(Judaism) Designating or of a person who adheres strictly to traditional religious practices
Tending or likely to forget.
The definition of feckless is someone who is ineffective or irresponsible.
Not liable to be called to account for actions
Find another word for heedless. In this page you can discover 42 synonyms, antonyms, idiomatic expressions, and related words for heedless, like: inconsiderate, thoughtless, negligent, careless, unheeding, careful, rash, deaf, disregardful, foolish and hairbrained.