1. sightlessness

noun. the state of being blind or lacking sight.


  • anopia
  • visual impairment
  • visual disorder
  • legal blindness
  • visual defect
  • figural blindness
  • snowblindness
  • snow-blindness
  • blindness
  • cecity
  • eyelessness

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Example sentences of the word sightlessness

1. Noun, singular or mass
There are several competing theories to explain the evolutionary mechanics behind the development of sightlessness in cave animals.