letter-perfect

[ let-er-pur-fikt ]

/ ˈlɛt ərˈpɜr fɪkt /

knowing one's part, lesson, or the like, perfectly.

precise or exact in every detail; verbatim.

Origin of letter-perfect

First recorded in 1880–85

I was pleased with the way the piece was read, and they said they would be letter-perfect in three days.

The Memoires of Casanova, Complete |Jacques Casanova de Seingalt
He said you were letter-perfect in the part, anyway, and it was the others who really needed the rehearsing.

The Moving Picture Girls |Laura Lee Hope
"Oh, but he's letter-perfect," murmured Edith in admiration.

The Art of Disappearing |John Talbot Smith
At school I have known her to sit up all night to make sure that she would be letter-perfect in her lessons the following morning.

A Thoughtless Yes |Helen H. Gardener

So letter-perfect was he in his lines that a layman might have scouted his realization of the enormousness of his responsibility.

The Last Shot |Frederick Palmer

letter-perfect

another term (esp in the US) for word-perfect