- past perfect of pioneer.
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.
Edna Foa, a clinical psychologist, died March 24 at 88, had pioneered prolonged exposure therapy for PTSD.
From The Wall Street Journal • Apr. 3, 2026
The move was followed by an unusual drop in subscribers that startled investors and intensified concerns that Netflix was losing dominance over the industry it had pioneered.
From BBC • Apr. 18, 2024
Among its multitude of innovations, Kronos had pioneered performing its chamber music concerts with lighting design shortly before the 1992 Gubaidulina premiere in Carnegie Hall.
From Los Angeles Times • Mar. 6, 2024
Testing that idea required a steady supply of glucagon, and others had struggled to synthesize it by the method that Merrifield had pioneered.
From Science Magazine • Sep. 8, 2023
Techniques the doctors had pioneered on me would later be used to help hundreds of other patients around Australia and the world.
From "Ugly" by Robert Hoge
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