/ Dictionary / Index O obstructionist: Meaning and Definition of Find definitions for: ob•struc•tion•ist Pronunciation: (ub-struk'shu-nist), [key] — n. a person who deliberately delays or prevents progress. a person who delays or obstructs the business before a legislative body by parliamentary contrivances or legalistic maneuvers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: obstructionist (Thesaurus) obstruction obstruent Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language