Definition Synonyms
Definition of haystack - Reverso English Dictionary
Noun
1.
agriculturelarge pile of hay stored outdoors
- The farmer built a haystack for winter.
2.
technologyTECH. US text string to search withinTECH. US
- The code searches for a needle in a haystack.
Images of haystack

large pile of hay stored outdoors
Expressions with haystack
💡 Discover popular phrases, idioms, collocations, or phrasal verbs. Click any expression to learn more, listen to its pronunciation, or save it to your favorites.
something extremely hard to find or an impossible search
Finding my keys here is like a needle in a haystack.
Origin of haystack
Old English, heg (hay) + stac (stack)
Terms with haystack included in their meaning
💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.
farming
haystack used for animal feed
Examples of haystack in a sentence
The haystack caught fire during the storm. Finding the error in the haystack of logs was challenging. The search algorithm quickly scanned the haystack for matches.
View all translations of haystack
Click below to see the appropriate translations facing each meaning.
- French:meule de foin, texte cible, ...
- German:Heuhaufen, Suchtext, ...
- Italian:pagliaio, ...
- Spanish:pajar, texto de búsqueda, ...
- Portuguese:pilha de feno, texto, ...
- Chinese:干草堆, 搜索字符串, ...
- Japanese:干し草の山, ハイスタック, ...
- Arabic:كَوْمَة تِبْن, سِلْسِلَة نَصِّيَّة, ...
- Hebrew:עֲרֵימַת חָצִיר, הֵייסְטָאק, ...
- Russian:стог сена, текстовая строка, ...
- Ukrainian:стіжок, стіг сіна, ...
- Hindi:घास का ढेर, घास का गट्ठा, ...

icon to discover related terms: analogies, antonyms, common collocates, words with same roots, umbrella terms… Try with happening or hunch.
icon next to the first example to see two additional options and learn to use new vocabulary naturally.
icon to save words you want to revisit. You can also save a specific meaning by clicking on the