as in invisible
not perceptible by a sense or by the mind
a slight difference in hue between the two glasses that's imperceptible unless they're placed side by side
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Recent Examples of imperceptible
The Origins of Dark Energy The traditional explanation for the universe’s growth centers around dark energy, presumed to be an imperceptible force that pushes space outward and makes up nearly 70 percent of the universe.
—
Jack Knudson, Discover Magazine, 27 Dec. 2024
There was very little, almost imperceptible cross-control.
—ArsTechnica, 1 Apr. 2025
Progress has been measured in small, almost imperceptible victories.
—Elizabeth Austin, Time, 26 Mar. 2025
Each brings his own approach to the party, but any drop-off is imperceptible and the impact is effectively the same.
—Edgar Thompson, Orlando Sentinel, 20 Mar. 2025
See All Example Sentences for imperceptible
Jack Knudson, Discover Magazine, 27 Dec. 2024
There was very little, almost imperceptible cross-control.
—ArsTechnica, 1 Apr. 2025
Progress has been measured in small, almost imperceptible victories.
—Elizabeth Austin, Time, 26 Mar. 2025
Each brings his own approach to the party, but any drop-off is imperceptible and the impact is effectively the same.
—Edgar Thompson, Orlando Sentinel, 20 Mar. 2025
See All Example Sentences for imperceptible
Recent Examples of Synonyms for imperceptible
Adjective
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Williams had apparently drifted across an invisible whites-only line that the man who killed him was enforcing.—
Adam Serwer,
The Atlantic,
2 May 2025
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When the mice stopped at the invisible door, those cells stopped firing, and a set of cells the researchers called ‘timing cells’ turned on.—
Avery Hurt,
Discover Magazine,
2 May 2025
Adjective
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Our physical body is the antenna for all of these sensations; a relaxed, thawed body can pick up more subtle signals.—
Ginny Whitelaw,
Forbes.com,
1 May 2025
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There are subtle peacock tail motifs throughout the hotel, from the geometric patterns in intricate kumiko woodwork headboards to Japanese washi paper designs in the elevator.—
Amber Gibson,
Travel + Leisure,
30 Apr. 2025
Adjective
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Scouring the data for other variables that might’ve affected dementia risk, the researchers found that both groups, vaccine-eligible and vaccine-ineligible, were practically indistinguishable.—
New Atlas,
New Atlas,
5 Apr. 2025
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The quality of the legends can vary greatly, with higher-end keycaps looking indistinguishable from doubleshot keycaps, but less expensive options appearing fuzzy or blurry.—
Henri Robbins,
WIRED,
24 Mar. 2025
Cite this Entry
“Imperceptible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperceptible. Accessed 13 May. 2025.
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