sightless

adjective

sight·​less ˈsīt-ləs How to pronounce sightless (audio)
1
: lacking sight : blind
2
sightlessly adverb
sightlessness noun

Examples of sightless in a Sentence

bats are often thought to be completely sightless, but this is not really true
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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 And this rapid development of cooperative behavior between the dogs and their partners explains why dogs are so good at helping humans in tasks that are narrowly defined, such as leading a sightless person through busy city streets. Ádám Miklósi, Scientific American, 1 May 2015 The species is among the first arthropods identified as having this ability, although researchers have separately discovered it in some sightless species of fish and shrimp. Byscience News Staff, science.org, 16 Feb. 2023

Word History

First Known Use

13th century, in the meaning defined at sense 1

Time Traveler
The first known use of sightless was in the 13th century

Dictionary Entries Near sightless

Cite this Entry

“Sightless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sightless. Accessed 15 Dec. 2024.

Kids Definition

sightless

adjective
sight·​less ˈsīt-ləs How to pronounce sightless (audio)
: lacking sight : blind
sightlessness noun

Medical Definition

sightless

adjective
sight·​less ˈsīt-ləs How to pronounce sightless (audio)
: lacking sight : blind sense 1
sightlessness noun

More from Merriam-Webster on sightless

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!