Meanings
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1
noun
unawareness caused by neglectful or heedless failure to remember
My forgetfulness increased as I grew older.
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2
noun
Failure to bear in mind; careless omission; inattention.
Forgetfulness of duty.
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3
noun
tendency to forget
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4
noun
The quality of being forgetful; proneness to let slip from the mind.
Thesaurus
Word family
Derived forms
unforgetfulness
Related forms
amnesia
Etymology
From Middle English forgetfulnes, forgetfulnesse, forȝetfulnesse, equivalent to forgetful + -ness.