sightless

[sahyt-lis]

adjective

1. unable to see; blind.

2. invisible.

sightless

/ ˈsaɪtlɪs /

adjective

1. blind

2. invisible

Other Word Forms

• sightlessness noun
• sightlessly adverb

Word History and Origins

Origin of sightless¹

1200–50; Middle English. See sight, -less

Example Sentences

Possibly to save audiences from a similar fate, we were never permitted to see these terrors, leaving us as sightless as the movie’s scrabbling survivors.

Read more on New York Times

The sightless child knows the other children, all able to see, are there but is left to stumble around, using sounds and knowledge of the space they're in as guides.

Read more on Salon

Chinese red-headed centipedes, which are sightless, use an unusual thermal sensor to detect sunlight, a study has found.

Read more on Science Magazine

Chinese red-headed centipedes are not the only sightless creatures that can perceive light.

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They’re sightless and feed by filtering tiny organisms and organic matter from the water.

Read more on Seattle Times