Wiktionary
(en-superlative of: correct) v
(en-archaic second-person singular of: correct)
Usage examples of "correctest".
For what will the most violent man do to thee, if thou continuest to be of a kind disposition towards him, and if, as opportunity offers, thou gently admonishest him and calmly correctest his errors at the very time when he is trying to do thee harm, saying, Not so, my child: we are constituted by nature for something else: I shall certainly not be injured, but thou art injuring thyself, my child.
With a true insight I suddenly perceived that one might belong to the great lower middle-class in America and still matter in the truest, correctest sense of the term.
I had in it blanks of all sorts, the correctest that ever appear'd among us, being assisted in that by my friend Breintnal.
For Thou correctest man for iniquity, 1134 and "Thy judgments are a great deep.