serendipitous

adjective

ser·​en·​dip·​i·​tous ˌser-ən-ˈdi-pə-təs How to pronounce serendipitous (audio)
Synonyms of serendipitousnext
: obtained or characterized by serendipity
serendipitous discoveries
serendipitously adverb

Examples of serendipitous in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Uxua Maré is the happy accident of two serendipitous events. Travel + Leisure Editors, Travel + Leisure, 15 Apr. 2026 Older machine learning methods had previously enabled such serendipitous mathematical discoveries, too — uncovering patterns no one had thought to look for. Konstantin Kakaes, Quanta Magazine, 13 Apr. 2026 That was very unexpected and serendipitous. Arushi Jacob, Variety, 2 Apr. 2026 While not exactly scientific, the phrase has become shorthand online for the surprising and often serendipitous ways in which felines enter people’s lives. Lydia Patrick, MSNBC Newsweek, 1 Apr. 2026 See All Example Sentences for serendipitous

Word History

Etymology

serendipity + -ous

First Known Use

1910, in the meaning defined above

Time Traveler
The first known use of serendipitous was in 1910

Browse Nearby Words

Cite this Entry

“Serendipitous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/serendipitous. Accessed 24 Apr. 2026.

More from Merriam-Webster on serendipitous

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster