/ Dictionary / Index P protrusive: Meaning and Definition of Find definitions for: pro•tru•sive Pronunciation: (prō-tr'siv, pru-), [key] — adj. projecting or protuberant; thrusting forward, upward, or outward. obtrusive. pushing forward; having propulsive force. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: protrusive (Thesaurus) protrusion protuberance Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language