denigrating vs calumnious

denigrating and calumnious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
denigrating	No	Yes	No	No
calumnious	No	Yes	No	No

As adjectives, denigrating and calumnious are synonyms defined as:

denigrating and calumnious: (used of statements) harmful and often untrue; tending to discredit or malign

Other synonyms of denigrating include calumniatory, defamatory, denigrative, denigratory, libellous, libelous, slanderous.

denigrating (adjective)	calumnious (adjective)
(used of statements) harmful and often untrue; tending to discredit or malign	(used of statements) harmful and often untrue; tending to discredit or malign