Frustrative
The Century Dictionary and Cyclopedia
Tending to frustrate or defeat; disappointing; thwarting.
the GNU version of the Collaborative International Dictionary of English
adjective.
Tending to defeat; fallacious.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
That which
frustrates
(causes
frustration
).
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
preventing realization or attainment of a desire