Marked by or resulting from carelessness; negligent.adjective
Not deliberate or considered; unintentional: synonym: careless.adjective
Not intending to be so; unwitting.
Not properly attentive; heedless; careless; negligent.
Unconscious; unintentional; accidental.
Synonyms Inattentive, unobservant, thoughtless.adjective
Not turning the mind to a matter; heedless; careless; negligent; inattentive.adjective
happening by chance or unexpectedly or unintentionally