English

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Etymology

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From frustrate +‎ -ly.

Adverb

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frustrately (comparative more frustrately, superlative most frustrately)

  1. (obsolete, rare) in vain
    • 1632, John Vicars, The XII Aeneids of Virgil:
      Great Tuscane dames, as she their towns past by, / Wisht her their daughter-in-law, but frustrately.