What's the difference between lightless and sightless?
Lightless
Definition:
(a.) Destitute of light; dark.
Example Sentences:
(1) Its broad flanks will stand just 10 metres away from a proposed tower to the south, forming a lightless gauntlet, while casting a good stretch of city into almost permanent shadow.
Sightless
Definition:
(a.) Wanting sight; without sight; blind.
(a.) That can not be seen; invisible.
(a.) Offensive or unpleasing to the eye; unsightly; as, sightless stains.
Example Sentences:
(1) How odd that we see those bizarre creatures of the Stygian depths, with their eerie antennae and sightless eyes, and regard them as alien, when they are, after all, our distant ancestors.
(2) Nineteen sightless children and adolescents aged between 11 and 18 years were tested for physical condition and performance.
(3) The study of sightless walking on unstable ground (mattress) gives a clinical sight of the vestibular impairment long after the acute phase.
(4) It is concluded that a well-designed, adapted physical education programme, in four sessions per week, is sufficient to ensure a normal level of physical condition for sightless children.
(5) Subcutaneous injection of formoguanamine (2,4-diamino-s-triazine) induced sightlessness in newly hatched chicks within 28-32 hr.