'Irritably' definitions:

Definition of 'irritably'

From: WordNet
adverb
In a petulant manner; "he said testily; `Go away!'" [syn: testily, irritably, petulantly, pettishly]
adverb
In an irritable manner; "she had become irritably exact"

Definition of 'Irritably'

From: GCIDE
  • Irritably \Ir"ri*ta*bly\, adv. In an irritable manner. [1913 Webster]