blindfold

Short definition from Wiktionary

Noun

1. 1
   A covering, usually a bandage, for the eyes, blocking light to the eyes.
2. 2
   Anything that obscures the vision.

Adjective

1. 1
   Having the eyes covered so as to obscure vision
2. 2
   Thoughtless; reckless.

Adverb

1. 1
   With the eyes covered so as to obscure vision.
2. 2
   Blindly; without due thought or caution.

Verb

1. 1
   To cover the eyes, in order to make someone unable to see.
2. 2
   To obscure understanding or comprehension.