FRUSTRATING
frustrating
(adjective) discouraging by hindering
frustrating, frustrative, thwarting
(adjective) preventing realization or attainment of a desire
Source: WordNet® 3.1
Etymology
Adjective
frustrating (comparative more frustrating, superlative most frustrating)
discouraging; causing annoyance or anger by excessive difficulty
Verb
frustrating
present participle of frustrate
Synonyms
• discouraging
Source: Wiktionary
FRUSTRATE
Frus"trate, a. Etym: [L. frustratus, p. p. of frustrare, frustrari,
to deceive, frustrate, fr. frustra in vain, witout effect, in erorr,
prob. for frudtra and akin to fraus, E. fraud.]
Definition: Vain; ineffectual; useless; unprofitable; null; voil; nugatory;
of no effect. "Our frustrate search." Shak.
Frus"trate, v. t. [imp. & p. p. Frustrated; p. pr. & vb. n.
Frustrating.]
1. To bring to nothing; to prevent from attaining a purpose; to
disappoint; to defeat; to baffle; as, to frustrate a plan, design, or
attempt; to frustrate the will or purpose.
Shall the adversary thus obtain His end and frustrate thine Milton.
2. To make null; to nullifly; to render invalid or of no effect; as,
to frustrate a conveyance or deed.
Syn.
– To balk; thwart; foil; baffle; defeat.
Source: Webster’s Unabridged Dictionary 1913 Edition