speculation

noun

spec·​u·​la·​tion ˌspe-kyə-ˈlā-shən How to pronounce speculation (audio)
Synonyms of speculation
: an act or instance of speculating: such as
a
: assumption of unusual business risk in hopes of obtaining commensurate gain
b
: a transaction involving such speculation

Synonyms of speculation

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Examples of speculation in a Sentence

He dismissed their theories as mere speculation. The book is just a lot of idle speculation about the future. Her speculations leave many questions unanswered. He lost everything in foolish land speculation.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Both players have been the subject of trade rumors and speculation, but Perry hasn’t been able to find a suitable deal. — Jason Anderson, Sacbee.com, 8 July 2026 While higher interest rates can weaken demand for gold, speculation about future interest rates can be just as impactful. — Faith Wakefield, USA Today, 8 July 2026 The recording raised questions about the severity of the emergency and prompted fresh speculation about the senator's current condition. — Rebecca Schneid, Time, 8 July 2026 Prada’s show reignited online speculation about the return of skinny silhouettes, showcasing an array of colorful leather and denim pants. — Angela Velasquez, Footwear News, 8 July 2026 See All Example Sentences for speculation

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of speculation was in the 14th century

Phrases Containing speculation

Rhymes for speculation

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Browse Nearby Words

speculate
speculation
speculatist
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Cite this Entry

“Speculation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/speculation. Accessed 9 Jul. 2026.

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Kids Definition

speculation

noun
spec·​u·​la·​tion ˌspek-yə-ˈlā-shən How to pronounce speculation (audio)
1
: thoughts or guesses about something
much speculation about who the new teacher would be
2
: the taking of a big risk in business in hopes of making a big profit

Legal Definition

speculation

noun
spec·​u·​la·​tion ˌspe-kyə-ˈlā-shən How to pronounce speculation (audio)
: an act or instance of speculating: as
a
: assumption of unusual business risk in hopes of obtaining commensurate gain
b
: a transaction involving such speculation

More from Merriam-Webster on speculation

Nglish: Translation of speculation for Spanish Speakers

Britannica.com: Encyclopedia article about speculation

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