noun
blind punching; random firing; haphazard attack
Metaphorical use: acting without aim or plan, like a blind person striking out. Often used in contexts of shooting, fighting, or making unguided attempts. The term めくら is now considered sensitive when referring to people, but this compound is still used idiomatically.
暗闇の中で盲打ちをしても当たらない。
Even if you punch blindly in the dark, you won't hit anything.
彼は計画もなく盲打ちのよう
He started the work haphazardly, like random firing, without a plan.
手探り means groping or fumbling, often with the hands, to find something physically or figuratively. 盲打ち emphasizes striking or attacking blindly, with more aggressive connotations.
闇雲 is an adjective/adverb meaning reckless or random, often used for actions done without thought. 盲打ち is a noun specifically for blind attacks or random attempts.
Compound of 盲 (めくら, 'blindness') and 打ち (うち, 'striking'). The metaphorical sense of acting blindly or randomly is derived from the literal image of a blind person striking out.