/ Dictionary / Index O obligational authority: Meaning and Definition of Find definitions for: obliga'tional author'ity Pronunciation: [key] the necessary authority that precedes budget spending by a government agency or department, granted by Congress through appropriations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. obligational obligative Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language