fussy vs bad-tempered

fussy and bad-tempered both are adjectives.

Word	Noun	Adjective	Verb	Adverb
fussy	No	Yes	No	No
bad-tempered	No	Yes	No	No

As adjectives, fussy and bad-tempered are synonyms defined as:

Other synonyms of fussy include crabbed, crabby, cross, grouchy, grumpy, ill-tempered.

fussy (adjective)	bad-tempered (adjective)
overcrowded or cluttered with detail	annoyed and irritable
annoyed and irritable
exacting especially about details