frustrative

from WordNet (r) 3.0 (2006)
frustrative
    adj 1: preventing realization or attainment of a desire [syn:
           {frustrating}, {frustrative}, {thwarting}]
    
from The Collaborative International Dictionary of English v.0.48
Frustrative \Frus"tra*tive\, a.
   Tending to defeat; fallacious. [Obs.] --Ainsworth.
   [1913 Webster]
    

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