1.
a. Sightless. b. 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). c. Of, relating to, or for sightless persons.
2. a. Performed or made without the benefit of background information that might prejudice the outcome or result: blind taste tests used in marketing studies. b. Performed without preparation, experience, or knowledge: made a blind stab at answering the question. c. Performed by instruments and without the use of sight: blind navigation.
3. Unable or unwilling to perceive or understand: blind to a lover's faults.
4. Not based on reason or evidence; unquestioning: put blind faith in their leaders.
5. Slang. Drunk.
6. Independent of human control: blind fate.
7. a. Difficult to comprehend or see; illegible. b. Incompletely or illegibly addressed: blind mail. c. Hidden from sight: a blind seam. d. Screened from the view of oncoming motorists: a blind driveway. e. Secret or otherwise undisclosed: a blind item in a military budget.
8. Closed at one end: a blind socket; a blind passage.
9. Having no opening: a blind wall.
10. Botany. Failing to produce flowers or fruits: a blind bud.