/ Dictionary / Index P product liability: Meaning and Definition of Find definitions for: prod'uct liabil"ity Pronunciation: [key] the responsibility of a manufacturer for injury or loss caused by its product. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. productive product line Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language