What is Blind ?
Blind is (adj) 1. not able to see He went blind in his early forties. (NOTE: Some people avoid this word as it can cause offence and prefer terms such as visually impaired or partially sighted.) to turn a blind eye to something not to pay any attention to something bad, even if you know it exists We turn a blind eye to minor cases of theft in the office. 2. none at all He didn’t pay a blind bit of notice to the regulations. It didn’t make a blind bit of difference. (noun) 1. a covering over a window that can be pulled up and down They must still be asleep their blinds are closed. He pulled down the blind to keep out the sun. 2. the blind people who cannot see The town hall has excellent facilities for the blind. ((verb)) to make someone unable to see She was blinded by the bright lights of the oncoming cars. (adv) flying blind flying an aircraft, using the instruments only
source: Easier English, Student Dictionary Upper Intermediate Level