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Isaac

American  
[ahy-zuhk] / ˈaɪ zək /

noun

  1. (in the Bible) a son of Abraham and Sarah, and the father of Jacob.

  2. a male given name: from a Hebrew word meaning “laughter.”


Isaac British  
/ ˈaɪzək /

noun

  1. an Old Testament patriarch, the son of Abraham and Sarah and father of Jacob and Esau (Genesis 17; 21–27)

"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

Isaac Cultural  
  1. The son of Abraham and the father of Jacob and Esau.


Discover More

Abraham was prepared to sacrifice Isaac at God's request. (See Abraham and Isaac.)

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Example Sentences

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The second go-round of this anthology features an all-star cast, including Oscar Isaac and Carey Mulligan, and tackles wealth inequity through wildly escalating antics.

From The Wall Street Journal Jul. 8, 2026

"Beef," a Netflix anthology, stars Oscar Isaac and Carey Mulligan in its second iteration, which focuses on the explosive dynamic between two couples.

From Barron's Jul. 8, 2026

Greyhound rehoming volunteer Andrew Isaac, from Home Run Hounds, said Kiki's story was not unusual.

From BBC Jun. 28, 2026

But Isaac Stell, investment manager at asset manager Wealth Club, said an interest rate hike is "the most logical conclusion from today's data combined with last week's blow-out jobs numbers".

From BBC Jun. 10, 2026

Three years earlier, Isaac, along with his wife, Iris, and two sons, Squire and Joyce, had been given to Jefferson’s daughter Polly and her husband.

From "In the Shadow of Liberty" by Kenneth C. Davis

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