/ Dictionary / Index R right stuff: Meaning and Definition of Find definitions for: right' stuff' Pronunciation: [key] — Informal. Informal. the necessary or ideal qualities or capabilities, as courage, confidence, dependability, toughness, or daring (usually prec. by the). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. right stage right-thinking Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language