Noah Webster's Dictionary 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.

Multi-Version Concordance Forgetfulness (1 Occurrence) Psalms 88:12 Are your wonders made known in the dark? Or your righteousness in the land of forgetfulness? (WEB KJV JPS ASV DBY WBS YLT NAS RSV)