Breadcrumb Home > Dictionary > Index R robustious: Meaning and Definition of Find definitions for: ro•bus•tious Pronunciation: (rō-bus'chus), [key] — adj. rough, rude, or boisterous. robust, strong, or stout. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: robustious (Thesaurus) robusta coffee roc TrendingHere are the facts and trivia that people are buzzing about. The Book of Philippians: Summary Current Events This Week: May 2023 Preamble of the United Nations Charter Queen Victoria Books of the Bible: New Testament Books in Order The 88 Recognized Constellations ✖ Related Content Daily Word Quiz: foison Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language