adjective
EXAMPLES FROM OTHER ENTRIES
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unavailing efforts
EXAMPLES FROM CORPUS
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A law protecting the nesting birds was passed in 1621 which, to judge from its results, was unavailing .
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And at least you will not have worn yourself out with unavailing efforts.
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Attempts to reach him by telephone were likewise unavailing .
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Purely national solutions to problems of corporate control are likely, therefore, to be unavailing .