n. | 1. | The quality of being forgetful; prononess to let slip from the mind. |
2. | Loss of remembrance or recollection; a ceasing to remember; oblivion. | |
3. | Failure to bear in mind; careless omission; inattention; |
Noun | 1. | forgetfulness - tendency to forget |
2. | forgetfulness - unawareness caused by neglectful or heedless failure to remember; "his forgetfulness increased as he grew older" |