v., n., adj., & adv.
v.tr. 1 deprive (a person) of sight by covering the eyes, esp. with a tied cloth. 2 deprive of understanding; hoodwink.
n. 1 a bandage or cloth used to blindfold. 2 any obstruction to understanding.
adj. & adv. 1 with eyes bandaged. 2 without care or circumspection (went into it blindfold). 3 Chess without sight of board and men.
[ replacing (by assoc. with FOLD(1)) ME blindfellen, past part. blindfelled (FELL(1)) strike blind ]