Sebastian

American

[si-bas-chuhn] / sɪˈbæs tʃən /

noun

Saint, died a.d. 288?, Roman martyr.
a male given name.

Sebastian British

/ sɪˈbæstjən /

noun

Saint. died ?288 _ad , Christian martyr. According to tradition, he was first shot with arrows and then beaten to death. Feast day: Jan 20

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Two years ago, Marvel superhero Sebastian Stan came to Cannes having transformed into Donald Trump for “The Apprentice,” a performance that earned him an Academy Award nomination.

From The Wall Street Journal • May 23, 2026

Arteta and Iraola grew up in the same region of the Basque Country and played for youth team Antiguoko in San Sebastian.

From BBC • May 21, 2026

Meanwhile, the black ram called Sebastian in the movie is based on Swann’s version, named Othello.

From Salon • May 17, 2026

“I think it’s prudent to see evidence of actual orders before starting to model out a China revenue opportunity,” William Blair’s Sebastian Naji said.

From Barron's • May 14, 2026

"Good. He was terrible. I don't like Cohn, God knows, and I think it was a silly trick for him to go down to San Sebastian, but nobody has any business to talk like Mike."

From "The Sun Also Rises" by Ernest Hemingway

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023