King James Bible

FORGET'FULNESS, noun

1. The quality of losing the remembrance or recollection of a thing; or rather, the quality of being apt to let any thing slip from the mind.

2. Loss of remembrance or recollection; a ceasing to remember; oblivion.

A sweet forgetfulness of human care.

3. Neglect; negligence; careless omission; inattention; as forgetfulness of duty.