/ Dictionary / Index E Eighth Commandment: Meaning and Definition of Find definitions for: Eighth' Command'ment Pronunciation: [key] “Thou shalt not steal”: eighth of the Ten Commandments. Cf. Ten Commandments. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Eighth Amendment eighthly Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language