| Forgetfulness 1. (n.) The quality of being forgetful; proneness to let slip from the mind. 2. (n.) Loss of remembrance or recollection; a ceasing to remember; oblivion. 3. (n.) Failure to bear in mind; careless omission; inattention; as, forgetfulness of duty. Thesaurus Entries abandon, careless abandon, carelessness, casualness, cursoriness, disregardfulness, easiness, hastiness, heedlessness, inconsiderateness, inconsideration, indifference, insouciance, lack of foresight, laziness, lethe, oblivion, obliviousness, offhandedness, perfunctoriness, recklessness, regardlessness, sprezzatura, tactlessness, thoughtlessness, unaccommodatingness, unheedfulness, unhelpfulness, unmindfulness, unobligingness, unpreparedness, unreadiness, unsolicitousness, unsolicitude, unthinkingness, unthoughtfulness |