undetectable

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.

According to investigators, the thieves went to the libraries to consult rare and valuable works, photographing and measuring them, and returned later to replace them with virtually undetectable copies.

From Barron's • Jun. 9, 2026

Under extreme assumptions, these emissions would change the global temperature by thirty-four one-thousands of one degree Celsius—an effect that would be undetectable.

From The Wall Street Journal • May 10, 2026

Yet while the structure is designed to be undetectable from the inside, it’s a full-blown metallic colossus on the outside — visible from the surrounding L.A. freeways.

From Los Angeles Times • Apr. 13, 2026

Drugs suppress the virus and prevent it being passed on in what is known as U=U, meaning undetectable = untransmissible.

From BBC • Dec. 1, 2025

When the handkerchief was folded, the writing was undetectable.

From "Between Shades of Gray" by Ruta Sepetys