as in imperceptible
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Recent Examples of unobservable
Trademarks and other intellectual properties, private equity and various other assets whose value must be determined using unobservable inputs are called level 3 assets.
—
Tomas Milar, Forbes.com, 21 July 2025
The same goes for the gizmos that enable new parents to observe their little ones in previously unobservable ways.
—Hillary Kelly, The Atlantic, 5 May 2025
Ars Video The vast bulk of the Universe will remain forever unobservable to traditional telescopes.
—ArsTechnica, 16 Apr. 2025
With enough data on the correlations between skulls and faces, Nilsson notes, a neural network could pick up patterns that are unobservable to even the keenest human eye, vastly improving predictions of facial structure.
—Cody Cottier, Discover Magazine, 7 Feb. 2025
These differences in neural activity suggest that autistic individuals may rely less on mental state information, which is unobservable and abstract, when processing social interactions and more on tangible, concrete details.
—Trystan Loustau and Liane Young, TIME, 9 Jan. 2025
That sets the ultimate limit of what’s in our observable Universe, and whatever part is unobservable, beyond that, can only be inferred, not directly measured.
—Big Think, 14 June 2024
The formula could be used to infer what was really happening during a collision, even during the unobservable interim moments.
—Quanta Magazine, 23 May 2024
Its underlying technologies were developed in the 1990s by the United States Naval Research Laboratory with the aim of providing a safe, unobservable method of communication to American spies.
—Andrei Soldatov, Foreign Affairs, 6 Apr. 2016
Tomas Milar, Forbes.com, 21 July 2025
The same goes for the gizmos that enable new parents to observe their little ones in previously unobservable ways.
—Hillary Kelly, The Atlantic, 5 May 2025
Ars Video The vast bulk of the Universe will remain forever unobservable to traditional telescopes.
—ArsTechnica, 16 Apr. 2025
With enough data on the correlations between skulls and faces, Nilsson notes, a neural network could pick up patterns that are unobservable to even the keenest human eye, vastly improving predictions of facial structure.
—Cody Cottier, Discover Magazine, 7 Feb. 2025
These differences in neural activity suggest that autistic individuals may rely less on mental state information, which is unobservable and abstract, when processing social interactions and more on tangible, concrete details.
—Trystan Loustau and Liane Young, TIME, 9 Jan. 2025
That sets the ultimate limit of what’s in our observable Universe, and whatever part is unobservable, beyond that, can only be inferred, not directly measured.
—Big Think, 14 June 2024
The formula could be used to infer what was really happening during a collision, even during the unobservable interim moments.
—Quanta Magazine, 23 May 2024
Its underlying technologies were developed in the 1990s by the United States Naval Research Laboratory with the aim of providing a safe, unobservable method of communication to American spies.
—Andrei Soldatov, Foreign Affairs, 6 Apr. 2016
Recent Examples of Synonyms for unobservable
Adjective
-
What are the imperceptible clues that signal your job is in jeopardy?—
Bryan Robinson,
Forbes.com,
11 Sep. 2025
-
Yet for all the focus now on the technology’s effects on jobs or geopolitics, what unsettles Altman most are the subtle, almost imperceptible cultural shifts that spread when millions of people interact with the same system every day.—
Preston Fore,
Fortune,
11 Sep. 2025
Adjective
-
Shrill treble joins the errant bass, making everything sound muddy and indistinct.—
ArsTechnica,
ArsTechnica,
27 Aug. 2025
-
My outfit is indistinct, but my slight smile is obvious, even as my hand obscures half of my face.—
Amanda Uhle
August 27,
Literary Hub,
27 Aug. 2025
Adjective
-
Once inside, the AirTag becomes invisible and unnoticeable to the child wearing the shoes.—
Kurt Knutsson,
FOXNews.com,
13 Aug. 2025
-
Bay's darkening around the bikini area still hasn’t fully resolved, but the discoloration on her arms has faded to be almost unnoticeable.—
Tereza Shkurtaj,
People.com,
14 June 2025
Adjective
-
Not to mention, its navy hue and relaxed fit are almost indiscernible from Roberts and Seyfried’s looks.—
Izzy Baskette,
PEOPLE,
4 Sep. 2025
-
Many plays, including shifts and rotating coverages and a variety of pressures, come out of indiscernible pre-snap looks.—
Steven Louis Goldstein,
New York Times,
16 Aug. 2025
Cite this Entry
“Unobservable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unobservable. Accessed 16 Sep. 2025.
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