Sightist Share definition Flag Sightist A person who believes they are genetically or physically superior the a less sighted individual e.g. a visually impaired person or someone who is blind. Man that guy is such a sightist he always treats us like shit Sightist by Envisible July 27, 2010 0 0 Get merch Get the Sightist mug. Buy Now — $32.95 See more merch