unctuous vs smarmy

unctuous and smarmy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unctuous	No	Yes	No	No
smarmy	No	Yes	No	No

As adjectives, unctuous and smarmy are synonyms defined as:

unctuous and smarmy: unpleasantly and excessively suave or ingratiating in manner or speech

Other synonyms of unctuous include buttery, fulsome, oily, oleaginous, soapy.

unctuous (adjective)	smarmy (adjective)
unpleasantly and excessively suave or ingratiating in manner or speech	unpleasantly and excessively suave or ingratiating in manner or speech