1

blind

adjective \ ˈblīnd \
Updated on: 18 Nov 2017

Definition of blind

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
  • blind to a lover's faults
b : unquestioning
  • blind loyalty
3 a : having no regard to rational discrimination, guidance, or restriction
  • blind choice
b : lacking a directing or controlling consciousness
  • blind 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 blind taste test
— compare double-blind, single-blind
b : having no knowledge of information that may cause bias during the course of an experiment or test
  • physicians blind to whether the test drug is administered
5 : defective: such as
a : lacking a growing point or producing leaves instead of flowers
b : lacking a complete or legible address
  • blind mail
6 a : difficult to discern, make out, or discover
b : hidden from sight : covered
  • blind seam
7 : having but one opening or outlet
  • blind sockets
8 : having no opening for light or passage : blank
  • blind wall

blindly

play \ˈblīn(d)-lē\ adverb

blindness

play \ˈblīn(d)-nəs\ noun

Examples of blind in a Sentence

  1. our old blind cat kept walking into walls and furniture

  2. you'd have to be really blind to think that was a good idea

Recent Examples of blind from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blind.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of blind

Middle English, from Old English; akin to Old High German blint blind, Old English blandan to mix — more at blend


2

blind

verb

Definition of blind

transitive verb
1 a : to make blind
b : dazzle
2 a : to withhold light from
b : hide, conceal

Examples of blind in a Sentence

  1. She was blinded as a child in a terrible fire.

  2. I was blinded by the sun as I came around the corner.

  3. He was blinded by love.

Recent Examples of blind from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blind.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of blind

before 12th century

blind Synonyms

Synonyms
bedazzle, dazzle, daze
Related Words
confuse, overpower, overwhelm, stun

3

blind

noun

Definition of blind

1 : something to hinder sight or keep out light: such as
a : a window shutter
b : a roller window shade
d : blinder
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

Examples of blind in a Sentence

  1. Some say the investigation is a blind to keep the public's attention off the governor.

Recent Examples of blind from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blind.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of blind

1633


4

blind

adverb

Definition of blind

1 : blindly: such as
a : to the point of insensibility
  • blind drunk
b : without seeing outside an airplane
  • fly blind
c : without knowledge of certain facts that could serve for guidance or cause bias
  • tasted the wine blind
2 used as an intensive
  • was robbed blind

Examples of blind in a Sentence

  1. They had to fly blind through heavy smoke.

First Known Use of blind

1698

Other Aeronautics/Aerospace Terms


BLIND Defined for English Language Learners

blind

adjective

Definition of blind for English Language Learners

  • : unable to see

  • : unable to notice or judge something

  • : accepting the actions or decisions of someone or something without any questions or criticism


blind

verb

Definition of blind for English Language Learners

  • : to cause (someone) to be unable to see : to make (someone) blind

  • : to cause (someone) to be unable to see for a short time

  • : to cause (someone) to be unable to think clearly or to act reasonably


blind

noun

Definition of blind for English Language Learners

  • : something that is used to cover a window from the inside of a room; especially : a roll of cloth or plastic that is hung at the top of a window and pulled down over the window

  • : a place where hunters hide from animals while they are hunting

  • : something that is used to trick people or to prevent people from noticing a particular thing


blind

adverb

Definition of blind for English Language Learners

  • : without seeing outside of an airplane : using only a plane's instruments

  • : to the degree that you are unable to think clearly or to act reasonably


BLIND Defined for Kids

1

blind

adjective \ ˈblīnd \

Definition of blind for Students

blinder; blindest
1 : unable or nearly unable to see
2 : lacking in judgment or understanding
  • He is blind to his own faults.
3 : unquestioning
  • blind faith
4 : closed at one end
  • a blind alley

blindly

adverb

blindness

noun

2

blind

verb

Definition of blind for Students

blinded; blinding
1 : to cause the permanent loss of sight in
2 : to make it impossible to see well for a short time
  • Our driver was blinded by the sun.

3

blind

noun

Definition of blind for Students

1 : a device to reduce sight or keep out light
  • window blinds
2 : a place of hiding
  • We watched the wildlife from a blind.

4

blind

adverb

Definition of blind for Students

: with only instruments as guidance
  • Fog made it necessary to fly blind.

Medical Dictionary

1

blind

adjective \ ˈblīnd \

medical Definition of blind

1 a : lacking or deficient in sight; especially : 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
  • blind care
2 a : designed to prevent participants from having information that could cause bias
  • a blind taste test
  • a blind clinical trial
— see double-blind, single-blind
b : having no knowledge of information that may cause bias during the course of an experiment or test
  • researchers blind to whether the investigational drug is administered
3 : having but one opening or outlet
  • the cecum is a blind pouch

blindly

play \ˈblīn-(d)lē\ adverb

blindness

play \ˈblīn(d)-nəs\ noun

2

blind

transitive verb

medical Definition of blind

: to make blind


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