neglectful

Meanings

1. 1
   adj

   Tending to neglect; failing to take care of matters which require attention; forgetful.

   Neglectful of her fine voice, she was obviously attending more to her companions than to her own singing;...

2. 2
   adj

   failing in what duty requires

3. 3
   adj

   not showing due care or attention

Etymology

From neglect + -ful.