- present participle of pioneer.
pioneering
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.
Today is the 50th anniversary of the launch of the Vanguard Group’s pioneering S&P 500 index fund.
From MarketWatch ● Aug. 31, 2026
Ben said The Grazing Project was "quite pioneering" in the sheer number of collars it uses.
From BBC ● Aug. 28, 2026
In response, Arcadia officials this month began what they say is a pioneering effort to determine how to protect local municipalities from influence by foreign governments.
From Los Angeles Times ● Aug. 22, 2026
About 20 years ago, laboratory scientist Jon Eggert and his colleagues carried out pioneering experiments on diamond melting at high pressure.
From Science Daily ● Aug. 20, 2026
The organization opposed black candidates for public office whom they deemed too accommodationist and its members walked alongside the pioneering black students integrating Durham’s public schools.
From "The Best of Enemies" by Osha Gray Davidson
