definition of
forgetful

[1] #1 forgetful a. [unretentive, short] (of memory) deficient in retentiveness or range; "a short memory". wn

[2] #2 forgetful a. [unmindful, mindless] not mindful or attentive; "while thus unmindful of his steps he stumbled"- G.B.Shaw. wn

[3] #3 forgetful s. [oblivious] failing to keep in mind; "forgetful of her responsibilities"; "oblivious old age". wn