forgetfulness
noun
[ fəˈɡɛtf(ʊ)lnəs ]
• lapse of memory.
• "she teased him for his forgetfulness"
Similar:
absent-mindedness,
amnesia,
poor memory,
a lapse of memory,
vagueness,
abstraction,
neglect,
negligence,
heedlessness,
carelessness,
disregard,
inattention to,
obliviousness to,
indifference to,
unmindfulness,