perfect foresight of what has already happened
Howard said that he knew that there would be an attempted assassination. Such knowledge is a good example of of 20/20 hindsight.
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When looking back at an event and thinking that no matter how wrong it went, it was still a fair experience
It’s all fair in hindsight!’

‘Dude you’re the only person I know who’s injured themselves in an Ambulance
by IdiotIdioms January 18, 2020
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A nonsensical way to express the idea that it's easy to see what the right course of action was, when the dust has settled.

20/20 vision is 50th percentile, average. It's mediocre. It means you can see at 20 feet what the average, middle-of-the-line person can see at 20 feet. Hindsight (perfect deduction) is the opposite of that. It's flawless. Properly expressed, to make any sense and actually convey the intended meaning, it would be "Hindsight is 20/0".

Stop saying this nonsense bullshit.
by conor147cfc December 30, 2017
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Taking honest and often regrettable account of past events, usually recently and involving inhibition reducers.
Guy 1: Hoooly shit, was she busted bro. Guy 2: She was alright. Guy 1: Here's her Facebook profile, and it's all open access too... (* Looking together *) HD Hindsight dude, never should have hit it. Guy 1: Fuck.
by G Money Ltd January 24, 2012
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A situation in which a person is unable to speak in a situation, therefore perceiving negative consequences such as shame, social ostracism or even punishment. Thus the person regrets the silence in hindsight
It must be hard of Kenny. He couldn't talk to his teacher. He told me he had a postmute-hindsight
by AgileIndex September 1, 2015
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