defamatory vs slanderous

defamatory and slanderous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
defamatory	No	Yes	No	No
slanderous	No	Yes	No	No

As adjectives, defamatory and slanderous are synonyms defined as:

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

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

defamatory (adjective)	slanderous (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