fulsome vs unctuous

fulsome and unctuous both are adjectives.

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

As adjectives, fulsome and unctuous are synonyms defined as:

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

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

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