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wildcatter

American  
[wahyld-kat-er] / ˈwaɪldˌkæt ər /

noun

  1. an oil prospector.

  2. a person who promotes risky or unsound business ventures.

  3. a person who participates in a wildcat strike.


wildcatter British  
/ ˈwaɪldˌkætə /

noun

  1. informal a prospector for oil or ores in areas having no proved resources

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of wildcatter

An Americanism dating back to 1880–85; wildcat + -er 1

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.

Presidio differs from most small-cap energy companies, which tend to have a wildcatter mentality—drill somewhere new and try to hit the big one.

From Barron's • Mar. 5, 2026

“That wildcatter ethos” — a willingness to invest millions of dollars in projects with uncertain outcomes — “is exactly what’s needed,” Cranberg said.

From MarketWatch • Jan. 14, 2026

Jones, a veteran wildcatter, has a long history of making bold bets.

From The Wall Street Journal • Oct. 29, 2025

Endeavor, founded by the billionaire wildcatter Autry Stephens, had become the subject of takeover speculation in oil circles over the past several months.

From New York Times • Feb. 12, 2024

One damp spring day in 1917, Frank Phillips—a wildcatter who’d previously sold a tonic to prevent baldness—was out with his workers on Lot 185, less than half a mile from Lot 50.

From "Killers of the Flower Moon" by David Grann

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