|a.||1.||Of a kind or gentle disposition; gracious; generous; favorable; benignant.|
|2.||Exhibiting or manifesting kindness, gentleness, favor, etc.; mild; kindly; salutary; wholesome.|
|3.||Of a mild type or character; |
|Adj.||1.||benign - not dangerous to health; not recurrent or progressive (especially of a tumor)|
malignant - dangerous to health; characterized by progressive and uncontrolled growth (especially of a tumor)
|2.||benign - pleasant and beneficial in nature or influence; "a benign smile"; "the benign sky"; "the benign influence of pure air"|
malign - evil or harmful in nature or influence; "prompted by malign motives"; "believed in witches and malign spirits"; "gave him a malign look"; "a malign lesion"
|3.||benign - of disposition or manner; "the benign ruler of millions"; "benign intentions"|