Word Study
frustrating
CIDE DICTIONARY
frustrating, n.
an act of hindering someone's plans or efforts. [WordNet 1.5]
frustrating, adj.
- preventing realization or attainment of a desire; causing frustration. [WordNet 1.5]
- discouraging. Opposite of
encouraging . [WordNet 1.5]
For further exploring for "frustrating" in Webster Dictionary Online