unsound
Example Sentences
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If the proof is unverified by humans and the pure math is shaky, the applied math built on it can be not only unsound but dangerous.
From The Wall Street Journal ● Jun. 14, 2026
I joke to Shires that, as a man, most often the unsound advice I have received is to simply go look for a rebound.
From Los Angeles Times ● Sep. 29, 2025
That assessment was technically accurate but fundamentally unsound.
From Slate ● Mar. 28, 2025
In a brief filed to the court, he called the firm's arguments "meritless and unsound."
From BBC ● Dec. 18, 2024
It is the source for this map, though the reader is cautioned against regarding it as either exact or universally accepted. genetically unsound but logically consistent.
From "1491" by Charles C. Mann
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At once the unsoundest and the most attractive argument is to be found in the deliberate idealization of particular ages, the thirteenth century in England, for example, or the age of the Antonines.
From New Worlds For Old A Plain Account of Modern Socialism by H. G. (Herbert George) Wells