say it: HAHYND-sahyt
hindsight is a noun meaning "understanding the nature of an event after it has happened". It carries one recorded sense.
understanding the nature of an event after it has happened
“hindsight is always better than foresight”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for hindsight come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.