unheard-of
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.
"That's an unheard-of pace of innovation in developing complex structural alloys."
From Science Daily • Mar. 10, 2026
“Imagine that the tools of chemistry could be used to create entirely new materials with unheard-of properties,” Heiner Linke, chair of the Nobel Committee for Chemistry, said Wednesday.
From The Wall Street Journal • Oct. 8, 2025
His thesis at the Navy Academy was in the unheard-of topic of liquid-fuel engines.
From BBC • Aug. 9, 2025
And it has highlighted the challenges of preparing for unheard-of weather events, like a hurricane in the mountains.
From Slate • Nov. 2, 2024
By comparing the C’4 level in bones and wooden implements to the normal level in living tissues, Libby reasoned, scientists should be able to determine the age of these objects with unheard-of precision.
From "1491" by Charles C. Mann
