cancerous \can"cer*ous\, a. [Cf. F. canc['e]reux]
Like a cancer; having the qualities or virulence of a cancer;
affected with cancer; as, a cancerous growth. "cancerous
vices" --G. Eliot.
[1913 Webster] -- {Can"cer*ous*ly}, adv. --
{Can"cer*ous*ness}, n.
[1913 Webster]