stick-in-the-mud vs fogyish

stick-in-the-mud is a noun but fogyish is not a noun.

Word	Noun	Adjective	Verb	Adverb
stick-in-the-mud	Yes	Yes	No	No
fogyish	No	Yes	No	No

As adjectives, stick-in-the-mud and fogyish are synonyms defined as:

stick-in-the-mud and fogyish: (used pejoratively) out of fashion; old fashioned

Other synonyms of stick-in-the-mud include moss-grown, mossy, stodgy.

stick-in-the-mud (noun)	fogyish (noun)
someone who moves slowly

stick-in-the-mud (adjective)	fogyish (adjective)
(used pejoratively) out of fashion; old fashioned	(used pejoratively) out of fashion; old fashioned