hindsight
B1CEFR level
30/100Rarity: fairly common
TechnicalRegister
Law noun
The impermissible use of knowledge of an invention to make it look obvious when reconstructing it from earlier art.
The judge warned against hindsight, noting that the combination looked simple only because the patent had already shown the way.
Business noun
Understanding of a situation only after it has occurred, often revealing what should have been done differently.
With hindsight, the post-mortem concluded that the launch had been rushed to beat a competitor to market.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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