twenty-twenty
adjective
twen·ty-twen·ty
ˈtwen-tē-ˈtwen-tē
ˈtwən-tē-ˈtwən-tē
variants
or 20/20
1
of the human eye
: meeting a standard of normal visual acuity
twenty-twenty vision
2
: marked by facilely accurate discernment, judgment, or assessment
hindsight is twenty-twenty
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Merriam-Webster unabridged
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