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Webster 1913 Edition
Frustrable
Frus′tra-ble
,Adj.
 [L. 
frustrabilis
: cf. F. frustable
.] Capable of beeing frustrated or defeated. 
Webster 1828 Edition
Frustrable
FRUS'TRABLE
,Adj.
  Definition 2025
frustrable
frustrable
English
Adjective
frustrable (comparative more frustrable, superlative most frustrable)
- Capable of beeing frustrated or defeated.