forgetful

英[fə'getfʊl;-f(ə)l] 美[fɚ'gɛtfəl]

1. not retentive

2. not mindful or attentive;

"while thus unmindful of his steps he stumbled"- G.B.Shaw

3. failing to keep in mind;

"forgetful of her responsibilities"

"oblivious old age"