crystal ball

noun

1
: a sphere especially of quartz crystal traditionally used by fortune tellers
2
: a means or method of predicting future events

Examples of crystal ball in a Sentence

Recent Examples on the Web
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As Horsman suggests, the technology will offer crystal ball predictions about how a movie will do at the box office, as well as its cultural resonance. Brent Lang, Variety, 30 Mar. 2026 DBi's Andrew Beer suggests the market's crystal ball is broken. Blair Bao, CNBC, 27 Mar. 2026 Supporters of platforms like Polymarket and Kalshi argue that when markets reach enough activity, their collective wisdom becomes a kind of crystal ball — faster than experts, smarter than pundits, and better at identifying outcomes before the rest of the culture catches up. Chris O'Falt, IndieWire, 18 Mar. 2026 Turan’s crystal ball puts an all-knowing AI—the holy grail of artificial general intelligence, or AGI—at around the summer of 2033. Joe Hagan, Vanity Fair, 18 Mar. 2026 See All Example Sentences for crystal ball

Word History

First Known Use

1834, in the meaning defined at sense 1

Time Traveler
The first known use of crystal ball was in 1834

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Cite this Entry

“Crystal ball.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crystal%20ball. Accessed 1 Apr. 2026.

Kids Definition

crystal ball

noun
: a clear ball especially of quartz crystal used by a fortune-teller to predict the future
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