Webster's Revised Unabridged Dictionary · 1913

Negligent

Negligent , adjective

[French négligent, Latin negligens,present participle of negligere. See Neglect.]

Apt to neglect; customarily neglectful; characterized by negligence; careless; heedless; culpably careless; showing lack of attention; as, disposed in negligent order.
Be thou negligent of fame. — Swift
He that thinks he can afford to be negligent is not far from being poor. — Rambler