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untestable
Derived word form of test

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.

For years, the simulation hypothesis was regarded as untestable, confined to the realms of philosophy and speculative fiction.

From Science Daily • Nov. 10, 2025

And unlike simply attacking an opponent’s record or making a campaign promise, such alternative realities enjoy the benefit of being untestable.

From New York Times • Mar. 16, 2024

Unimpressed, Koch confronted Chalmers at a cocktail reception and denounced his information hypothesis as untestable and hence pointless.

From Scientific American • Jun. 26, 2023

Although an infinite number of untestable universes seems unscientific to some, many physicists today view the theory as important.

From Nature • Mar. 26, 2018

Special creation is not a viable alternative scientific theory because it is not a scientific theory, since it relies on an untestable explanation.

From Textbooks • Apr. 25, 2013