denigrating vs libellous

denigrating and libellous both are adjectives.

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

As adjectives, denigrating and libellous are synonyms defined as:

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

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

denigrating (adjective)	libellous (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