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

Origin and Etymology of twenty-twenty

from the testing of vision by reading letters at a distance of 20 feet



TWENTY-TWENTY Defined for English Language Learners

twenty-twenty

adjective

Definition of twenty-twenty for English Language Learners

  • : having good vision and able to see without glasses


Medical 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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