For-gĕt'ful, a.
a. 1. Apt to forget; easily losing remembrance; as, a forgetful man should use helps to strengthen his memory.
Sense 2. Heedless; careless; neglectful; inattentive. Be not forgetful to entertain strangers. Heb. xiii. 2.
Sense 3. Causing to forget; inducing oblivion; oblivious; as, forgetful draughts. “The forgetful wine.” J. Webster.