Part of speech: Noun
tendency to forget
Categories: Amnesia, Memory loss, Blackout
Part of speech: Noun
unawareness caused by neglectful or heedless failure to remember
Example: his forgetfulness increased as he grew older
Categories: Unknowingness, Unawareness
The word "forgetfulness" comes from Middle English forgetfulnes.
forgetful – A related word in the same word family.
ness – A related word in the same word family.
Middle English had more flexible word order than Modern English because it retained more inflections.