20/20

1. 1.

   normal visual acuity, as measured by the ability to read charts at a distance of 20 feet

   Synonymstwenty-twenty

   Broaderacuity

Questions about 20/20

What does 20/20 mean?

20/20 means "normal visual acuity, as measured by the ability to read charts at a distance of 20 feet".

What is another word for 20/20?

Close synonyms include twenty-twenty. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is 20/20 a common word?

20/20 is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.