hindsight

Meanings

1. 1
   noun

   understanding the nature of an event after it has happened

   hindsight is always better than foresight

2. 2
   noun

   Realization or understanding of the significance and nature of events after they have occurred.

   You know what they say, hindsight is twenty-twenty.

3. 3
   noun

   The rear sight of a firearm.

   Holonym: iron sights

Etymology

From hind + sight, 19th c. Compare Latinate retrospect.