名詞 blindfold:

1. a cloth used to cover the eyes

動詞 blindfold:

1. cover the eyes of (someone) to prevent him from seeing

形容詞 blindfold:

1. wearing a blindfold
   同義詞：blindfolded

1. I can do it blindfold.
   我閉著眼睛都能做。
2. The police use blindfold to cover the prisoner's eyes.
   警察用眼罩蒙住囚犯的雙眼。
3. I could do that blindfolded.
   我蒙住眼睛也能做。

blind.fold

v.tr.（及物動詞）
blind.fold.ed,blind.fold.ing,blind.folds
To cover the eyes of with or as if with a bandage.
（如用或似用繃帶等）蒙住眼睛
To prevent from seeing and especially from comprehending.
使看不見，尤指使不理解
n.（名詞）
A bandage to cover the eyes.
蒙眼的繃帶
Something that serves to obscure clear perception.
障眼物：使清楚的感知變模糊的事物

來源：
From Middle English blindfolde [past participle of] blindfellen [to strike blind, cover the eyes]
源自 中古英語 blindfolde [] blindfellen的過去分詞 [刺瞎，遮住眼睛]
from Old English geblindfellian
源自 古英語 geblindfellian
blind [blind] * see blind
blind [瞎的] *參見 blind
fellian [to strike down]
fellian [擊倒]

【引伸】
blind.fold.ed
adj.（形容詞）