1
: a stack of hay
2
: a vertical standing wave in turbulent river waters
Examples of haystack in a Sentence
Recent Examples on the Web
Of course, any savvy collector recognizes that Monet’s haystacks and Pollack’s action paintings were once novel outliers, too.
—
Robert Ross, Robb Report, 6 Mar. 2026
There’s some sitting on a haystack, there’s some lounging in his bed, but that’s it.
—Brian Moylan, Vulture, 4 Mar. 2026
Tomasino told me this is not necessarily a scientific claim; still, the sheer quantity of chemicals interacting in a glass gives the search for offenders a needle-in-a-haystack quality.
—Nicola Twilley, New Yorker, 5 Jan. 2026
Researchers from the Australian Wildlife Conservancy (AWC) made this needle-in-haystack find by chance, spotting a large patch of Drosera silvicola just outside of the west coast city of Perth.
—New Atlas, 5 Dec. 2025
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Robert Ross, Robb Report, 6 Mar. 2026
There’s some sitting on a haystack, there’s some lounging in his bed, but that’s it.
—Brian Moylan, Vulture, 4 Mar. 2026
Tomasino told me this is not necessarily a scientific claim; still, the sheer quantity of chemicals interacting in a glass gives the search for offenders a needle-in-a-haystack quality.
—Nicola Twilley, New Yorker, 5 Jan. 2026
Researchers from the Australian Wildlife Conservancy (AWC) made this needle-in-haystack find by chance, spotting a large patch of Drosera silvicola just outside of the west coast city of Perth.
—New Atlas, 5 Dec. 2025
See All Example Sentences for haystack
Cite this Entry
“Haystack.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/haystack. Accessed 13 Mar. 2026.
Copy CitationKids Definition
haystack
noun
hay·stack
-ˌstak 
: a stack of hay
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