adj.
Pronunciation: - ' get-f ə l
Function: adjective
Date: 14th century
1 : likely to forget
2 : characterized by negligent failure to remember : NEGLECTFUL
3 : inducing oblivion < forgetful sleep>
– for · get · ful · ly \ -f ə -l ē \ adverb
– for · get · ful · ness noun