lumpy vs chunky

lumpy and chunky both are adjectives.

Word	Noun	Adjective	Verb	Adverb
lumpy	No	Yes	No	No
chunky	No	Yes	No	No

As adjectives, lumpy and chunky are synonyms defined as:

lumpy (adjective)	chunky (adjective)
having lumps; not smooth and even in texture	short and thick; as e.g. having short legs and heavy musculature
like or containing small sticky lumps	like or containing small sticky lumps