heedlessness

As nouns the difference between irresponsibility and heedlessness

is that irresponsibility is the character or state of being irresponsible; lack of or freedom from responsibility; want of accountability while heedlessness is the state or character of being heedless; inattention; carelessness; thoughtlessness.

Heedlessness is a related term of venturesomeness.

As nouns the difference between heedlessness and venturesomeness

is that heedlessness is the state or character of being heedless; inattention; carelessness; thoughtlessness while venturesomeness is the degree or quality of being venturesome.

As a noun heedlessness

is the state or character of being heedless; inattention; carelessness; thoughtlessness.

As an adjective neglectful is

tending to neglect; failing to take care of matters which require attention.

As nouns the difference between narcissist and heedlessness

is that narcissist is person full of egoism and pride while heedlessness is the state or character of being heedless; inattention; carelessness; thoughtlessness.

As nouns the difference between heedlessness and negligence

is that heedlessness is the state or character of being heedless; inattention; carelessness; thoughtlessness while negligence is the state of being negligent.

As nouns the difference between heedlessness and temerity

is that heedlessness is the state or character of being heedless; inattention; carelessness; thoughtlessness while temerity is reckless boldness; foolish bravery.

As nouns the difference between precipitancy and heedlessness

is that precipitancy is suddenness; excessive haste while heedlessness is the state or character of being heedless; inattention; carelessness; thoughtlessness.

As nouns the difference between heedlessness and neglect

is that heedlessness is the state or character of being heedless; inattention; carelessness; thoughtlessness while neglect is the act of neglecting.

As a verb neglect is

to fail to care for or attend to something.

Heedlessness is a related term of disregard.

As nouns the difference between heedlessness and disregard

is that heedlessness is the state or character of being heedless; inattention; carelessness; thoughtlessness while disregard is the act or state of deliberately not paying attention or caring about; misregard.

As a verb disregard is

to ignore; misregard.

As nouns the difference between foolhardiness and heedlessness

is that foolhardiness is the quality of being foolhardy while heedlessness is the state or character of being heedless; inattention; carelessness; thoughtlessness.