twenty-twenty hindsight
A perfect understanding of events only after they have happenedA perfect understanding of events only after they have happened.
Meaning
1 senses(idiomatic, uncountable)A perfect understanding of events only after they have happened.
Origin
From the term 20/20 which is used in visual testing to refer to normal visual acuity.From the term 20/20 which is used in visual testing to refer to normal visual acuity.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable
See also
neighbours in the dictionaryDictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.