twenty-twenty

adjective

twen·ty-twen·ty | \ ˈtwen-tē

, ˈtwən-\

variants: or 20/20

Definition of twenty-twenty

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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twenty-twenty hindsight

twenty-twenty vision

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The first known use of twenty-twenty was in 1875

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twenty-twenty

adjective

English Language Learners Definition of twenty-twenty

: having good vision and able to see without glasses

See the full definition for twenty-twenty in the English Language Learners Dictionary

twenty-twenty

adjective

twen·ty-twen·ty

variants: or 20/20 \ ˌtwent-ē-ˈtwent-ē

Medical Definition of twenty-twenty

: having the normal visual acuity of the human eye that according to one common scale can distinguish at a distance of 20 feet characters one-third inch in diameter twenty-twenty vision

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