sightlessness

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the state of being blind or lacking sight
• Syn:
blindness, cecity
• Derivationally related forms:
sightless, blind (for: blindness)
• Hypernyms:
visual impairment, visual defect, vision defect, visual disorder
• Hyponyms:
legal blindness, anopia, snowblindness, snow-blindness, eyelessness, figural blindness