Merriam-Webster Collegiate Dictionary - blind

 I. adjective  Etymology: Middle English, from Old English; akin to Old High German blint ~, Old English blandan to mix — more at blend  Date: before 12th century  1.  a.  (1) sightless  (2) having less than 1/10 of normal vision in the more efficient eye when refractive defects are fully corrected by lenses  b. of or relating to sightless persons  2.  a. unable or unwilling to discern or judge ~ to a lover's faults  b. unquestioning ~ loyalty ~ faith  3.  a. having no regard to rational discrimination, guidance, or restriction ~ choice  b. lacking a directing or controlling consciousness ~ chance  c. drunk 1a  4.  a. made or done without sight of certain objects or knowledge of certain facts that could serve for guidance or cause bias a ~ taste test a ~ clinical trial — compare double-~, single-~  b. having no knowledge of information that may cause bias during the course of an experiment or test physicians ~ to whether the test drug is administered  5. defective: as  a. lacking a growing point or producing leaves instead of flowers  b. lacking a complete or legible address ~ mail  6.  a. difficult to discern, make out, or discover  b. hidden from sight ; covered ~ seam  7. having but one opening or outlet ~ sockets  8. having no opening for light or passage ; blank ~ wall  • ~ly adverb  • ~ness noun  II. transitive verb  Date: before 12th century  1.  a. to make ~  b. dazzle  2.  a. to withhold light from  b. hide, conceal  • ~ingly adverb  III. noun  Date: 1678  1. something to hinder sight or keep out light: as  a. a window shutter  b. a roller window shade  c. venetian ~  d. ~er  2. a place of concealment; especially a concealing enclosure from which one may shoot game or observe wildlife  3.  a. something put forward for the purpose of misleading ; subterfuge  b. a person who acts as a decoy or distraction  IV. adverb  Date: circa 1775  1. ~ly: as  a. to the point of insensibility ~ drunk  b. without seeing outside an airplane fly ~  c. without knowledge of certain facts that could serve for guidance or cause bias was supposed to taste the wine ~  2. — used as an intensive was robbed ~