a shot in the dark
idiomPart ofdark
a shot in the dark — idiom
1. a guess or attempt that has very little chance of being correct or successful be
1.idiom
Definition
a guess or attempt that has very little chance of being correct or successful because you have almost no information
Example
His answer to the final question was just a shot in the dark, but it turned out to be right.
Without any clues, the detective's theory was nothing more than a shot in the dark.