/ Dictionary / Index M marbly: Meaning and Definition of Find definitions for: mar•bly Pronunciation: (mär'blē), [key] — adj. like marble in appearance, hardness, coldness, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. marbling Marburg Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language