from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Sightless.
  • adj. 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).
  • adj. Of, relating to, or for sightless persons.
  • adj. Performed or made without the benefit of background information that might prejudice the outcome or result: blind taste tests used in marketing studies.
  • adj. Performed without preparation, experience, or knowledge: made a blind stab at answering the question.
  • adj. Performed by instruments and without the use of sight: blind navigation.
  • adj. Unable or unwilling to perceive or understand: blind to a lover's faults.
  • adj. Not based on reason or evidence; unquestioning: put blind faith in their leaders.
  • adj. Slang Drunk.
  • adj. Lacking reason or purpose: blind fate; blind choice.
  • adj. Difficult to comprehend or see; illegible.
  • adj. Incompletely or illegibly addressed: blind mail.
  • adj. Hidden from sight: a blind seam.
  • adj. Screened from the view of oncoming motorists: a blind driveway.
  • adj. Secret or otherwise undisclosed: a blind item in a military budget.
  • adj. Closed at one end: a blind socket; a blind passage.
  • adj. Having no opening: a blind wall.
  • adj. Botany Failing to produce flowers or fruits: a blind bud.
  • n. Blind people considered as a group. Used with the: a radio station for reading to the blind.
  • n. Something, such as a window shade or a Venetian blind, that hinders vision or shuts out light.
  • n. A shelter for concealing hunters or nature photographers.
  • n. Something intended to conceal the true nature, especially of an activity; a subterfuge.
  • adv. Without seeing; blindly.
  • adv. Without the aid of visual reference: flew blind through the fog.
  • adv. Without forethought or provision; unawares: entered into the scheme blind.
  • adv. Without significant information, especially that might affect an outcome or result: "When you read blind, you see everything but the author” ( Margaret Atwood).
  • adv. Informal Into a stupor: drank themselves blind.
  • adv. Used as an intensive: Thieves in the bazaar robbed us blind.
  • transitive v. To deprive of sight: was blinded in an industrial accident.
  • transitive v. To dazzle: skiers temporarily blinded by sunlight on snow.
  • transitive v. To deprive of perception or insight: prejudice that blinded them to the merits of the proposal.
  • transitive v. To withhold light from: Thick shrubs blinded our downstairs windows.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Unable to see, due to physiological or neurological factors.
  • adj. Unable to be used to see, due to physiological or neurological factors.
  • adj. Failing to see, acknowledge, perceive.
  • adj. Of a place, having little or no visibility; as, a blind corner.
  • adj. Closed at one end; having a dead end; as, a blind hole, a blind alley.
  • adj. Without opening; as, a blind wall.
  • adj. smallest or slightest in phrases such as
  • adj. without any prior knowledge.
  • adj. unconditional; without regard to evidence, logic, reality, accidental mistakes, extenuating circumstances, etc.
  • n. A covering for a window to keep out light. The covering may be made of cloth or of narrow slats that can block light or allow it to pass.
  • n. A destination sign mounted on a public transport vehicle displaying the route destination, number, name and/or via points, etc.
  • n. Any device intended to conceal or hide; as, a duck blind.
  • n. No score.
  • n. A forced bet.
  • n. A player who is or was forced to make a bet.
  • v. To make temporarily or permanently blind.
  • v. To curse.
  • adv. Without seeing; unseeingly.
  • adv. Without looking at the cards dealt.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Destitute of the sense of seeing, either by natural defect or by deprivation; without sight.
  • adj. Not having the faculty of discernment; destitute of intellectual light; unable or unwilling to understand or judge.
  • adj. Undiscerning; undiscriminating; inconsiderate.
  • adj. Having such a state or condition as a thing would have to a person who is blind; not well marked or easily discernible; hidden; unseen; concealed.
  • adj. Involved; intricate; not easily followed or traced.
  • adj. Having no openings for light or passage; ; open only at one end.
  • adj. Unintelligible, or not easily intelligible; ; illegible.
  • adj. Abortive; failing to produce flowers or fruit.
  • n. Something to hinder sight or keep out light; a screen; a cover; esp. a hinged screen or shutter for a window; a blinder for a horse.
  • n. Something to mislead the eye or the understanding, or to conceal some covert deed or design; a subterfuge.
  • n. A blindage. See Blindage.
  • n. A halting place.
  • n. See blende.
  • transitive v. To make blind; to deprive of sight or discernment.
  • transitive v. To deprive partially of vision; to make vision difficult for and painful to; to dazzle.
  • transitive v. To darken; to obscure to the eye or understanding; to conceal; to deceive.
  • transitive v. To cover with a thin coating of sand and fine gravel; as a road newly paved, in order that the joints between the stones may be filled.

from The Century Dictionary and Cyclopedia

  • Destitute of the sense of sight, whether by natural defect or by deprivation, permanently or temporarily; not having sight.
  • Hence Figuratively, lacking in the faculty of discernment; destitute of intellectual, moral, or spiritual sight; unable to understand or judge.
  • Not directed or governed by sight, physical or mental; not proceeding from or controlled by reason: as, blind groping; blind tenacity.
  • Specifically Undiscriminating; heedless; inconsiderate; unreflecting; headlong.
  • Not possessing or proceeding from intelligence or consciousness; without direction or control; irrational; fortuitous: as, a blind force or agency; blind chance.
  • Filled with or enveloped in darkness; dark; obscure; not easily discernible: as, a blind corner.
  • Hence Difficult to see, literally or figuratively; hard to understand; hard to make out; unintelligible: as, blind outlines; blind writing; blind reasoning.
  • Unlighted: as, blind candles.
  • Covered; concealed from sight; hidden.
  • Out of sight or public view; out of the way; private; secret.
  • Without openings for admitting light or seeing through: as, a blind window; “blind walls,”
  • Not serving any apparent purpose; wanting something ordinarily essential to completeness; not fulfilling its purpose: as, a blind shell, one that from a bad fuse or other reason has fallen without exploding.
  • Closed at one end; having no outlet; cæcal: as, a blind alley.
  • a small chestnut-colored beetle destitute of eyes, found in rice.
  • Ornamental sewing on leather, designed to be seen on only one side of the material.
  • Same as blind-story.
  • To make blind; deprive of sight; render incapable of seeing, wholly or partially.
  • To dim the perception or discernment of; make morally or intellectually blind.
  • To render dark, literally or figuratively; obscure to the eye or to the mind; conceal.
  • To dim or obscure by excess of light; outshine; eclipse.
  • In road-making, to fill with gravel, as interstices between stones; cover with gravel or earth: as, to blind road-metal.
  • In gunnery, to provide with blindages.
  • To become blind or dim.
  • In horticulture, said of a shoot that does not bloom.
  • n. Anything which obstructs the sight, intercepts the view, or keeps out light.
  • n. Specifically— A screen of some sort to prevent too strong a light from shining in at a window, or to keep people from seeing in; a sun-screen or shade for a window, made of cloth, laths, etc., and used either inside or outside.
  • n. One of a pair of pieces of leather, generally square, attached to a horse's bridle on either side of his head to prevent him from seeing sidewise or backward; a blinder or blinker.
  • n. A strong plank shutter placed in front of a port-hole as soon as the gun has been discharged.
  • n. Something intended to mislead the eye or the understanding by concealing, or diverting attention from, the principal object or true design; a pretense or pretext.
  • n. A hiding-place; an ambush or covert, especially one prepared for concealing a hunter or fowler from his game.
  • n. Milit., a kind of bomb-proof shelter for men or material; a blindage.
  • n. A single blind is commonly made of three strong perpendicular posts with planks between them, covered with plates of iron on the outside, rendering them shot-proof. It is used as a protection to laborers in the trenches. A double blind is made by filling large wooden chests with earth or bags of sand.
  • n. In the game of poker, the stake deposited in the pool previous to the deal.
  • n. Same as blende.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. unable to see
  • n. a hiding place sometimes used by hunters (especially duck hunters)
  • v. make dim by comparison or conceal
  • v. make blind by putting the eyes out
  • adj. unable or unwilling to perceive or understand
  • n. something intended to misrepresent the true nature of an activity
  • n. people who have severe visual impairments, considered as a group
  • v. render unable to see
  • adj. not based on reason or evidence
  • n. a protective covering that keeps things out or hinders sight


from The American Heritage® Dictionary of the English Language, 4th Edition

Middle English, from Old English; see bhel-1 in Indo-European roots.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Old English blind, from Proto-Germanic *blindaz. Akin to German blind, Old High German blint.



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  • In heraldry, without an eye; used to describe quatrefoils and cinquefoils that are not pierced.

    October 7, 2011

  • "You might be wondering how to refer to people with vision, hearing, and mobility problems or specific diseases. It’s OK to refer to someone as blind but it’s better to say, 'a person who is blind' than 'a blind person', although organizations that serve people who are blind have names that reflect the old way of thinking, for example The American Council of the Blind. On the site for the Perkins School of the Blind, for instance, people who are blind are referred to as 'people with visual impairments' and 'people who are visually impaired'."

    - Bonnie Trenga, What to Call People With Disabilities, 30 Jan 2009.

    February 16, 2009