twenty twenty

/ˌtwɛntiˈtwɛnti/
adjective
  1. Having normal or perfect visual acuity, especially as measured on a Snellen chart (20/20 vision).
    • After getting glasses, she had twenty-twenty vision for the first time.
    • The eye doctor said my eyesight is still twenty-twenty even at my age.
    • You need twenty-twenty vision to qualify for that pilot training program.
  2. Used to describe the ability to see or understand things clearly after they have happened, often in the phrase 'hindsight is twenty-twenty'.
    • With twenty-twenty hindsight, we realize we should have left earlier.
    • It's easy to be twenty-twenty after the fact, but at the time the choice was hard.
    • Of course I should have invested then — hindsight is always twenty-twenty.
Synonyms
noun
  1. Normal or perfect eyesight, as measured by the Snellen test.
    • Most people don't have natural twenty-twenty their whole lives.
    • The athlete's twenty-twenty helped him spot the ball from far away.
    • She was proud of her twenty-twenty and never needed glasses.
What does "twenty twenty" mean? | whatsthatwordmean | whatsthatwordmean