as in imperceptible
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Recent Examples of unobservable
The future, after all, remains stubbornly unobservable.
—
Tomas Chamorro-Premuzic, Forbes.com, 28 Mar. 2026
This only gets worse with higher magnification, where even slight wobbles make subjects unobservable.
—Matt Morris, Space.com, 4 Mar. 2026
But responsibility diffuses across developers, deployers, and users, and interaction loops remain private and unobservable.
—Deb Roy, The Atlantic, 15 Feb. 2026
So, within standard general relativity, Einstein–Rosen bridges are unstable and unobservable.
—Rupendra Brahambhatt, Interesting Engineering, 17 Jan. 2026
Is the theory of the unobservable multiverse science or mere speculation?
—Literary Hub, 19 Nov. 2025
Its nucleus is also far bigger than other notable comets, while its arrival time was fine-tuned to bring it within tens of millions of kilometers from Mars, Venus and Jupiter and be unobservable from Earth at perihelion, along with other unexpected properties.
—Hannah Millington, MSNBC Newsweek, 30 Oct. 2025
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 Chamorro-Premuzic, Forbes.com, 28 Mar. 2026
This only gets worse with higher magnification, where even slight wobbles make subjects unobservable.
—Matt Morris, Space.com, 4 Mar. 2026
But responsibility diffuses across developers, deployers, and users, and interaction loops remain private and unobservable.
—Deb Roy, The Atlantic, 15 Feb. 2026
So, within standard general relativity, Einstein–Rosen bridges are unstable and unobservable.
—Rupendra Brahambhatt, Interesting Engineering, 17 Jan. 2026
Is the theory of the unobservable multiverse science or mere speculation?
—Literary Hub, 19 Nov. 2025
Its nucleus is also far bigger than other notable comets, while its arrival time was fine-tuned to bring it within tens of millions of kilometers from Mars, Venus and Jupiter and be unobservable from Earth at perihelion, along with other unexpected properties.
—Hannah Millington, MSNBC Newsweek, 30 Oct. 2025
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
-
Because there are no limits on call time, the transition from customer service to therapy was often imperceptible.—
Julian Lucas,
New Yorker,
20 Apr. 2026
-
Drummers’ timekeeping is fluid; even at its most rocksteady, it’s enlivened by tiny, imperceptible pauses and hiccups.—
Philip Sherburne,
Pitchfork,
13 Apr. 2026
Adjective
-
The video contained audio of the girl choking, as well as indistinct banging in the truck.—
Raven Brunner,
PEOPLE,
19 Apr. 2026
-
Ovidian metamorphosis is a perfect manifestation of the third space in which either/or is replaced by hybridity and, as Calvino says, indistinct borders.—
Literary Hub,
Literary Hub,
14 Apr. 2026
Adjective
-
To the untrained eye, rip currents may seem unnoticeable.—
Dinah Voyles Pulver,
USA Today,
11 Mar. 2026
-
The consequences of such an error, in the context of a computation where there is no cross-checking in place, can range from unnoticeable to catastrophic.—
Big Think,
Big Think,
24 Feb. 2026
Adjective
-
Die große Nacht im Eimer (The Big Night Down the Drain), made that year, depicts a figure of indiscernible age with a cadaverous pallor and yellow splotches, brandishing an oversized phallus beneath a soot-black veil.—
Tessa Solomon,
ARTnews.com,
30 Apr. 2026
-
The jacket looks nearly indiscernible from Johnson’s, with its cherry-red color, oversized front pockets, and contrasting corduroy collar.—
Izzy Baskette,
PEOPLE,
28 Apr. 2026
Cite this Entry
“Unobservable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unobservable. Accessed 2 May. 2026.
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