/ Dictionary / Index P proof sheet,: Meaning and Definition of Find definitions for: proof' sheet" Pronunciation: [key] a printer's proof. a contact print. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. proofread proof spirit Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language