a person or thing that blinds.
a blinker for a horse.
British Informal. a spectacular shot or action in sports, especially soccer: He played a blinder.

1580–90; blind + -er1 Unabridged


adjective, blinder, blindest.
not having or based on reason or intelligence; absolute and unquestioning: She had blind faith in his fidelity.
lacking all consciousness or awareness: a blind stupor.
hard to see or understand: blind reasoning.
hidden from immediate view, especially from oncoming motorists: a blind corner.
of concealed or undisclosed identity; sponsored anonymously: a blind ad signed only with a box number.
having no outlets; closed at one end: a blind passage; a blind mountain pass.
done without seeing; by instruments alone: blind flying.
of, pertaining to, or for blind persons.
Cookery. (of pastry shells) baked or fried without the filling.
verb (used with object)
to outshine; eclipse: a radiance that doth blind the sun.
something that obstructs vision, as a blinker for a horse.
Chiefly Midland U.S. and British, window shade.
a lightly built structure of brush or other growths, especially one in which hunters conceal themselves: a duck blind.
an activity, organization, or the like for concealing or masking action or purpose; subterfuge: The store was just a blind for their gambling operation.
a decoy.
Slang. a bout of excessive drinking; drunken spree.
Poker. a compulsory bet made without prior knowledge of one's hand.
into a stupor; to the degree at which consciousness is lost: He drank himself blind.
without the ability to see clearly; lacking visibility; blindly: They were driving blind through the snowstorm.
to an extreme or absolute degree; completely: The confidence men cheated her blind.
fly blind. fly1 ( def 34 ).

before 1000; (adj.) Middle English blind, Old English; cognate with Gothic blinds, Old Norse blindr, German, Dutch blind (< Germanic *blindaz, perhaps akin to blend; original sense uncertain); (v.) Middle English blinden, derivative of the adj.

blindingly, adverb
blindness, noun
half-blind, adjective
half-blindly, adverb
half-blindness, noun
quasi-blind, adjective
quasi-blindly, adverb
self-blinded, adjective

1. Blind, stone-blind, purblind mean unable to see. Blind means unable to see with the physical eyes. Stone-blind emphasizes complete blindness. Purblind refers to weakened vision, literally or figuratively. 4. irrational, uncritical, rash, thoughtless, unreasoning. 8. concealed. 25. See curtain. 28. hiding place, ambush.

1. seeing. 2. receptive. 4. rational.

27. See window shade. Unabridged
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World English Dictionary
blind (blaɪnd)
1.  a.  unable to see; sightless
 b.  (as collective noun; preceded by the): the blind
2.  (usually foll by to) unable or unwilling to understand or discern
3.  not based on evidence or determined by reason: blind hatred
4.  acting or performed without control or preparation
5.  done without being able to see, relying on instruments for information
6.  hidden from sight: a blind corner; a blind stitch
7.  closed at one end: a blind alley
8.  completely lacking awareness or consciousness: a blind stupor
9.  informal very drunk
10.  having no openings or outlets: a blind wall
11.  without having been seen beforehand: a blind purchase
12.  (of cultivated plants) having failed to produce flowers or fruits
13.  (intensifier): not a blind bit of notice
14.  turn a blind eye to disregard deliberately or pretend not to notice (something, esp an action of which one disapproves)
15.  without being able to see ahead or using only instruments: to drive blind; flying blind
16.  without adequate knowledge or information; carelessly: to buy a house blind
17.  (intensifier) (in the phrase blind drunk)
18.  bake blind to bake (the empty crust of a pie, pastry, etc) by half filling with dried peas, crusts of bread, etc, to keep it in shape
19.  to deprive of sight permanently or temporarily
20.  to deprive of good sense, reason, or judgment
21.  to darken; conceal
22.  (foll by with) to overwhelm by showing detailed knowledge: to blind somebody with science
23.  slang (Brit) (intr) to drive very fast
24.  slang (Brit) (intr) to curse (esp in the phrase effing and blinding)
25.  (modifier) for or intended to help blind and partially sighted people: a blind school
26.  a shade for a window, usually on a roller
27.  any obstruction or hindrance to sight, light, or air
28.  a person, action, or thing that serves to deceive or conceal the truth
29.  a person who acts on behalf of someone who does not wish his identity or actions to be known
30.  old-fashioned, slang (Brit) Also called: blinder a drunken orgy; binge
31.  poker a stake put up by a player before he examines his cards
32.  chiefly (US), (Canadian) hunting Brit name: hide a screen of brush or undergrowth, in which hunters hide to shoot their quarry
33.  military a round or demolition charge that fails to explode
usage  It is preferable to avoid using phrases such as the blind. Instead you should talk about blind and partially sighted people

blinder (ˈblaɪndə)
1.  an outstanding performance in sport
2.  slang (Brit) another name for blind

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

O.E. blind "blind," also "dark, obscure, unintelligent," probably sharing with blend a P.Gmc. base *blandjan "to blind" (cf. Du., Ger. blind, O.N. blindr, Goth. blinds "blind"), perhaps also "to make cloudy, deceive," from PIE base *bhel- (1) "to shine, flash, burn" (see
bleach); cf. Lith. blendzas "blind," blesti "to become dark." The original sense, not of "sightless," but of "confused," perhaps underlies such phrases as blind alley. Of aviators flying without instruments or without clear observation, from 1919. The verb is O.E. blendan, influenced in M.E. by the adj. The noun meaning "anything that obstructs sight" is from 1530s. Blindman's bluff is from 1580s.
"The twilight, or rather the hour between the time when one can no longer see to read and the lighting of the candles, is commonly called blindman's holiday." [Grose, 1796]
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

blind (blīnd)

  1. Unable to see; without useful sight.

  2. Having a maximal visual acuity of the better eye, after correction by refractive lenses, of one-tenth normal vision or less (20/200 or less on the Snellen test).

  3. Of, relating to, or for sightless persons.

  4. Closed at one end, as a tube or sac.

blind'ness n.
The American Heritage® Stedman's Medical Dictionary
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Bible Dictionary

Blind definition


Easton's 1897 Bible Dictionary
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Example sentences
The hat was therefore supposed to act as a sort of blinder.
We should work to make it blinder to the wealth of people.
They'd better not be flying any blinder than needed.
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