as in blind
lacking the power of sight
bats are often thought to be completely sightless, but this is not really true
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Recent Examples of sightless
These tiny fossorial ophidians — though not the tiniest (that title belongs to this 4-inch snake from Barbados) — are nearly sightless.
—
Scott Travers, Forbes.com, 25 Apr. 2025
That makes for quick, sightless control of both radio volume and climate temperature.
—Gordon G. Chang, Newsweek, 11 Dec. 2024
Our new unlucky heroine is terminally ill writer Sam (Lupita Nyong’o), out of the hospital on a day trip to the city when sightless monsters begin falling from the sky.
—A.a. Dowd, Vulture, 28 June 2024
Despite the chaos and confusion, it’s quickly established that the extraterrestrial predators are sightless and respond only to noise.
—David Rooney, The Hollywood Reporter, 27 June 2024
By tapping and touching, the sightless person does not feel the cane per se but the objects—the curb, the doorway—that are felt through the tool, in the same way sighted people experience these objects through their eyes.
—Chip Colwell, Smithsonian Magazine, 26 Feb. 2024
The distraught and sightless Orion wandered hopelessly for days on end.
—Mike Lynch, Twin Cities, 25 Feb. 2024
Yet some sightless species have retained the ability to sense light.
—Jack Tamisiea, Scientific American, 20 Dec. 2023
By hooking up the brains of blind rats to compasses, scientists in Japan found the sightless rodents could navigate a maze nearly as well as normally sighted rats.
—IEEE Spectrum, 2 Apr. 2015
Scott Travers, Forbes.com, 25 Apr. 2025
That makes for quick, sightless control of both radio volume and climate temperature.
—Gordon G. Chang, Newsweek, 11 Dec. 2024
Our new unlucky heroine is terminally ill writer Sam (Lupita Nyong’o), out of the hospital on a day trip to the city when sightless monsters begin falling from the sky.
—A.a. Dowd, Vulture, 28 June 2024
Despite the chaos and confusion, it’s quickly established that the extraterrestrial predators are sightless and respond only to noise.
—David Rooney, The Hollywood Reporter, 27 June 2024
By tapping and touching, the sightless person does not feel the cane per se but the objects—the curb, the doorway—that are felt through the tool, in the same way sighted people experience these objects through their eyes.
—Chip Colwell, Smithsonian Magazine, 26 Feb. 2024
The distraught and sightless Orion wandered hopelessly for days on end.
—Mike Lynch, Twin Cities, 25 Feb. 2024
Yet some sightless species have retained the ability to sense light.
—Jack Tamisiea, Scientific American, 20 Dec. 2023
By hooking up the brains of blind rats to compasses, scientists in Japan found the sightless rodents could navigate a maze nearly as well as normally sighted rats.
—IEEE Spectrum, 2 Apr. 2015
Recent Examples of Synonyms for sightless
Adjective
-
The Labubu blind boxes, which hide the exact content of the package until the customer opens it, sometimes revealing an especially rare item in a series, will be made available for purchase through the website's Pop Now feature.—
Julia Gomez,
USA Today,
3 Sep. 2025
-
As regards the media coverage of boycotts of Israel by several international writers, the political indoctrination is such that far from stimulating reflection, the literary world begins to attack the writer in question, calling them blind or anti-Semitic.—
Uriel Kon
September 2,
Literary Hub,
2 Sep. 2025
Adjective
-
One of the critical risks to patient privacy is the accidental inclusion of personally identifiable information in what is supposed to be a blinded data payload.—
Expert Panel®,
Forbes.com,
29 Aug. 2025
Cite this Entry
“Sightless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sightless. Accessed 6 Sep. 2025.
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