Definitions

haystack

[hey-stak] / ˈheɪˌstæk /

NOUN

stack of hay

Synonyms

STRONG

hay haycock hayrick pile rick sheaf stack

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Searching for anything in it is like hunting for a needle in a haystack," he says.

From BBC • Jun. 27, 2026

The best place to hide needles is in a haystack.

From MarketWatch • Jun. 10, 2026

Maven was built to find the needle in the haystack.

From Barron's • Apr. 5, 2026

"It's like looking for a needle in a haystack," Pavia said.

From Science Daily • Nov. 13, 2025

He saw Billy working on the last of the haystack.

From "The Red Pony" by John Steinbeck