piddling vs fiddling

piddling and fiddling both are adjectives.

Word	Noun	Adjective	Verb	Adverb
piddling	No	Yes	No	No
fiddling	No	Yes	No	No

As adjectives, piddling and fiddling are synonyms defined as:

Other synonyms of piddling include footling, lilliputian, little, niggling, petty, picayune, piffling, trivial.

piddling (adjective)	fiddling (adjective)
(informal) small and of little importance	(informal) small and of little importance