blind

Concise Oxford English Dictionary © 2008 Oxford University Press:
blind/blʌɪnd/

▶adjective

• 1 unable to see because of injury, disease, or a congenital condition.

• 2 done without being able to see or without certain information.

  ■ (of flying) using instruments only.

• 3 lacking perception, judgement, or reason: they were blind to his potential.

• 4 concealed, closed, or blocked off.

  ■ (of a corner or bend) impossible to see round.

• 5 (of a plant) without buds, eyes, or terminal flowers.

• 6 informal the slightest: it didn't do a blind bit of good.

▶verb

• 1 cause (someone) to be unable to see.

• 2 deprive of understanding or judgement.

  ■ (blind someone with) confuse or overawe someone with (something they do not understand).

• 3 Brit. informal, dated move very fast and dangerously.

▶noun

• 1 a screen for a window, especially one on a roller or made of slats.

  ■ Brit. an awning over a shop window.

• 2 something designed to conceal one's real intentions.

• 3 N. Amer. a hide, as used by hunters.

• 4 Brit. informal, dated a heavy drinking bout.

▶adverb without being able to see clearly.

– phrases
bake something blind bake a pastry case without a filling.
(as) blind as a bat informal having very bad eyesight.
blind drunk informal extremely drunk.
turn a blind eye pretend not to notice. [said to be in allusion to Nelson, who lifted a telescope to his blind eye at the Battle of Copenhagen (1801), thus not seeing the signal to ‘discontinue the action’.]

– derivatives
blindly adverb,
blindness noun.

– origin OE, of Gmc origin.