as in imperceptible
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Recent Examples of unobservable
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
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
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
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
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
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
Recent Examples of Synonyms for unobservable
Adjective
-
The film casually reinforces its point here that women of the period had few good options, but the scenes also reveal the almost imperceptible development of mutual fondness between husband and wife.—
David Rooney,
HollywoodReporter,
15 Feb. 2026
-
The almost imperceptible pigment is an immediate boost of pore- and fine line-blurring prowess.—
Tamim Alnuweiri,
InStyle,
8 Feb. 2026
Adjective
-
The wagon wheels were fun in theory, but overcooked to the point that pasta and sauce blurred into a soft, indistinct bite (not so fun).—
Sam Stone,
Bon Appetit Magazine,
4 Mar. 2026
-
Standing beside Hughes was a nurse, her starched white cap perched high on her head, her face an indistinct blur.—
Steven Levingston,
Vanity Fair,
23 Feb. 2026
Adjective
-
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
-
Except her shell is rather flat compared to others’, its spiral unremarkable, its apex nearly unnoticeable.—
Literary Hub,
Literary Hub,
23 Feb. 2026
Adjective
-
Rabia Amin, Cheema’s 27-year-old daughter, looked up at the fading pictures of the menu items, now comically indiscernible.—
Zareen Syed,
Chicago Tribune,
13 Jan. 2026
-
The nightingale flew around the fox’s head, the two of them chortling in their own indiscernible ways.—
Hazlitt,
Hazlitt,
19 Nov. 2025
Cite this Entry
“Unobservable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unobservable. Accessed 9 Mar. 2026.
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