Definition of blind adverb from the Oxford Advanced American Dictionary

 

blind

 adverb
adverb
NAmE//blaɪnd//
 
 
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  • (in connection with flying) without being able to see; using instruments only
  • Which Word?blind / blindly There are two adverbs that come from the adjective blind. Blindly means “not being able to see what you are doing” or “not thinking about something”:I think you are being blindly optimistic!The adverb blind is mainly used in the context of flying and means “without being able to see,” “using instruments only”:They were flying blind in the fog over Nantucket.Idioms
    blind drunk
     
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    extremely drunk
    rob somebody blind(informal)
     
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    to cheat or trick someone so that they lose a lot of money You can't trust them. They'll rob you blind as soon as your back is turned.
    See the Oxford Advanced Learner's Dictionary entry: blind