A proofreader is a person who reviews written material to ensure accuracy and quality. The three crossword solutions for the term PROOFREADER FIND are TYPO, ERROR, and STET. A TYPO is an unintentional mistake in a piece of writing, such as a misspelling or incorrect punctuation. An ERROR is a mistake or inaccuracy in a piece of writing, such as a factual ERROR or a grammatical mistake. STET is a Latin word meaning 'let it stand, ' which is used by proofreaders to indicate that a previously marked change should be disregarded.