muddy vs dingy

muddy and dingy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
muddy	No	Yes	Yes	No
dingy	No	Yes	No	No

As adjectives, muddy and dingy are synonyms defined as:

muddy and dingy: (of color) discolored by impurities; not bright and clear

Other synonyms of muddy include dirty, muddied.

muddy (adjective)	dingy (adjective)
dirty and messy; covered with mud or muck	causing dejection
(of color) discolored by impurities; not bright and clear	thickly covered with ingrained dirt or soot
(of liquids) clouded as with sediment	(of color) discolored by impurities; not bright and clear
(of soil) soft and watery