benign benign /bɪˈnaɪn/

adjective

1. Pleasant and beneficial in nature or influence  ( benign , benignant )
   pleasant and beneficial in nature or influence
    A benign smile
   a benign smile
    The benign sky
   the benign sky
    The benign influence of pure air
   the benign influence of pure air
   
2. Kindness of disposition or manner  ( benign )
   kindness of disposition or manner
    The benign ruler of millions
   the benign ruler of millions
    Benign intentions
   benign intentions
   
3. (pathology) not dangerous to health; not recurrent or progressive (especially of a tumor)  ( benign )
   (pathology) not dangerous to health; not recurrent or progressive (especially of a tumor)