from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Making void; rendering null.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Making void; rendering null.

from The Century Dictionary and Cyclopedia

  • Making void or of no effect; that renders null.


Latin frustrotorius: compare French frustratoire. (Wiktionary)


  • Grayson was guarded, offering only that “New York and the Eastern people”—the faction that had deserted Morris in the final vote—possessed no “real sentiments than those that were frustratory.”

    Robert Morris


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