/ Dictionary / Index D disposable income: Meaning and Definition of Find definitions for: dispos'able in'come Pronunciation: [key] the part of a person's income remaining after deducting personal income taxes. (in national income accounting) the total disposable income of all consumers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. disposable disposal Related Content Daily Word Quiz: jugular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language