Definition of Fussily

Babylon English Dictionary
nervously; pesteringly, particularly; irritably; in a bothersome manner
Search Dictionary
Fussily Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(adv.)
In a fussy manner.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
WordNet 2.0

Adverb
1. in a fussy manner; "he spoke to her fussily"
(pertainym) crabbed, crabby, cross, fussy, grouchy, grumpy, bad-tempered, ill-tempered