Definify.com

Webster 1913 Edition

Adj.

[Cf. F.

gangréneux

Affected by, or produced by, gangrene; of the nature of gangrene.

Adj.

Mortified; indicating mortification of living flesh.

gangrenous ‎(comparative more gangrenous, superlative most gangrenous)

Indicative of or afflicted with gangrene.
The medic worried that Private Johnson's wounded leg was looking more gangrenous.