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Definition of "needle in a haystack" []

  • Something that is difficult or impossible to locate; something impossibly complex or intractable. (noun)

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Use "needle in a haystack" in a sentence
  • "Had long-range Coastal Command aircraft of the type that swept the North Atlantic later in the war been available, the hunting groups might have had a chance; as it was, the search for a proverbial needle in a haystack was, by comparison, an easy task."