Formed from hind, meaning at the back, and sight. It first named the rear sight of a firearm in the early nineteenth century. The now-common sense of understanding an event after it happened arose in American English by the 1860s, probably in contrast with foresight.
What does hindsight mean?
Hindsight is understanding gained after an event, when its causes, results, or better choices are easier to see.
What does in hindsight mean?
In hindsight means looking back with knowledge that was not available at the time.
What is the benefit of hindsight?
The benefit of hindsight is the advantage of knowing how events actually turned out.
Is hindsight the opposite of foresight?
Often, yes. Hindsight looks back with later knowledge, while foresight anticipates what may happen.
Can hindsight be part of a firearm?
Yes. In technical use, a hindsight is the rear sight nearest the shooter's eye.