Yes, blind is a Scrabble word!

Verb

1. Render unable to see

2. Make blind by putting the eyes out

3. Make dim by comparison or conceal

Adjective

1. Unable to see

2. Unable or unwilling to perceive or understand

3. Not based on reason or evidence

Noun

1. People who have severe visual impairments, considered as a group

2. A hiding place sometimes used by hunters (especially duck hunters)

3. A protective covering that keeps things out or hinders sight

4. Something intended to misrepresent the true nature of an activity