/ Dictionary / Index S serendipitous: Meaning and Definition of Find definitions for: ser•en•dip•i•tous Pronunciation: (ser"un-dip'i-tus), [key] — adj. come upon or found by accident; fortuitous: serendipitous scientific discoveries. of, pertaining to, or suggesting serendipity. good; beneficial; favorable: serendipitous weather for our vacation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: serendipitous (Thesaurus) Serendip serendipity Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language