/ Dictionary / Index T tamperproof: Meaning and Definition of Find definitions for: tam•per•proof Pronunciation: (tam'pur-prf"), [key] — adj. that cannot be tampered with; impervious to tampering: a tamper-proof lock. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Tampere tamper-resistant Related Content Daily Word Quiz: abdicate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language