Meaning of the word "a needle in a haystack" in English

What does "a needle in a haystack" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

a needle in a haystack

US /ə ˈniːdl ɪn ə ˈheɪstæk/
UK /ə ˈniːdl ɪn ə ˈheɪstæk/
"a needle in a haystack" picture

Idiom

1.

something that is extremely difficult or impossible to find, usually because it is very small or hidden among many other things

Example:
Finding my old childhood toy in this attic full of junk is like looking for a needle in a haystack.
Trying to find a specific piece of information in that massive database without proper filters is like looking for a needle in a haystack.
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