malign
Concise Oxford English Dictionary © 2008 Oxford University Press:
malign /məˈlʌɪn/
▶adjective evil in nature or effect. ▶verb speak ill of.
– derivatives
maligner noun,
malignity /məˈlɪgnɪti/ noun,
malignly adverb.
maligner noun,
malignity /məˈlɪgnɪti/ noun,
malignly adverb.
– origin ME: via OFr. maligne (adj.), malignier (v.), based on L. malignus ‘tending to evil’, from malus ‘bad’.
'malign' also found in these Oxford entries:

