retrospect
n. uncountablen. the act of looking back at past events with the knowledge you have now. It is almost always used in the phrase 'in retrospect'.
n. a review or contemplation of past events or situations. Typically occurs within the fixed prepositional phrase 'in retrospect' to indicate hindsight.
In retrospect, I should have taken the job offer.
In retrospect, the warning signs of the economic downturn were visible months before the market actually crashed.
While the decision seemed sound at the time, a careful retrospect of the project's timeline reveals several missed opportunities for intervention that might have saved the budget.
Borrowed from Latin retrōspectum, from retrōspicio (“to look back at”), equivalent to retro- + -spect. Compare review.
Primarily used in the fixed phrase 'in retrospect'; as a standalone noun, it is formal and relatively rare.
In the retrospect, I was wrong.In retrospect, I was wrong.The common idiomatic phrase 'in retrospect' does not take a definite article.