Learn how to say Malignant correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word malignant:
having or showing desire to harm others
tending to cause great harm; injurious
(pathology) (of a tumour) uncontrollable or resistant to therapy; rapidly spreading
(history) (in the English Civil War) a Parliamentarian term for a royalist (sense 1)
C16: from Late Latin malīgnāre to behave spitefully, from Latin malīgnusmalign