a needle in a haystack

noun phrase

Definition of a needle in a haystack

informal
: someone or something that is very hard to find Searching for your earring at the park will be like looking for a needle in a haystack.

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“A needle in a haystack.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/a%20needle%20in%20a%20haystack. Accessed 26 Nov. 2020.

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