INFURIATING
exasperating, infuriating, maddening, vexing
(adjective) extremely annoying or displeasing; “his cavelier curtness of manner was exasperating”; “I’ve had an exasperating day”; “her infuriating indifference”; “the ceaseless tumult of the jukebox was maddening”
Source: WordNet® 3.1
Etymology
Adjective
infuriating (comparative more infuriating, superlative most infuriating)
Extremely annoying, frustrating or irritating
Verb
infuriating
present participle of infuriate
Source: Wiktionary
INFURIATE
In*fu"ri*ate, a. Etym: [It. infuriato, p. p. of infuriare. See
Infuriate, v. t.]
Definition: Enraged; rading; furiously angry; infuriated. Milton.
Inflamed beyond the most infuriate wrath. Thomson.
In*fu"ri*ate, v. t. [imp. & p. p. Infuriated (; p. pr. & vb. n.
Infuriating] Etym: [It. infuriato, p. p. of infuriare; pref. in- (L.
in) + furia fury, L. furia. See Fury.]
Definition: To render furious; to enrage; to exasperate.
Those curls of entangled snakes with which Erinys is said to have
infuriated Athemas and Ino. Dr. H. More.
Source: Webster’s Unabridged Dictionary 1913 Edition