/ Dictionary / Index S Stu: Meaning and Definition of Find definitions for: Stu Pronunciation: (st, sty), [key] a male given name, form ofor Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. St. Thomas Stuart Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language