Isaac

American

[ahy-zuhk] / ˈaɪ zək /

noun

(in the Bible) a son of Abraham and Sarah, and the father of Jacob.
a male given name: from a Hebrew word meaning “laughter.”

Isaac British

/ ˈaɪzək /

noun

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

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.)

Compare meaning

How does isaac compare to similar and commonly confused words? Explore the most common comparisons:

Ishmael vs. Isaac

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.

Weave Robotics has seven Isaacs dotted across the city, autonomously folding clothes for laundromats.

From BBC

Paul Dawson's brilliant header in the first half sent the home fans delirious, before Isaac Buckley-Ricketts prodded in a second after the break.

From BBC

About the author: Isaac Stone Fish is the CEO and founder of Strategy Risks, a firm that quantifies corporate exposure to China.

From Barron's

“It gives them a sense of maturity,” said Isaac Bernstein, culinary director of kosher restaurant group Reserve Cut Hospitality, where $30 crispy rice tuna squares are frequently sold to young diners.

From The Wall Street Journal

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