Neglectful \Neg*lect"ful\, a. Full of neglect; heedless; careless; negligent; inattentive; indifferent. --Pope.

A cold and neglectful countenance. --Locke.

Though the Romans had no great genius for trade, yet they were not entirely neglectful of it. --Arbuthnot. -- Neg*lect"ful*ly, adv. -- Neg*lect"ful*ness, n.

Source: Webster's Revised Unabridged Dictionary (1913)