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Judaism

American  
[joo-dee-iz-uhm, -dey-, -duh-] / ˈdʒu diˌɪz əm, -deɪ-, -də- /

noun

  1. the monotheistic religion of the Jews, having its ethical, ceremonial, and legal foundation in the precepts of the Old Testament and in the teachings and commentaries of the rabbis as found chiefly in the Talmud.

  2. belief in and conformity to this religion, its practices, and ceremonies.

  3. this religion considered as forming the basis of the cultural and social identity of the Jews.

    He called assimilation a threat to American Judaism.

  4. Jews collectively; Jewry.


Judaism British  
/ ˈdʒuːdeɪˌɪzəm /

noun

  1. the religion of the Jews, based on the Old Testament and the Talmud and having as its central point a belief in the one God as transcendent creator of all things and the source of all righteousness

  2. the religious and cultural traditions, customs, attitudes, and way of life of the Jews

"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

Judaism Cultural  
  1. The religion of the Israelites of the Bible (see also Bible) and of the Jews (see also Jews) of today, based on the teachings of the Torah. Judaism involves the belief in one God, whose Chosen People are the Jews. Abraham is considered the founder of Judaism, although Moses, who delivered the laws of God to the Israelites, is also an important figure. The holy days and festivals of Judaism include Hanukkah, Passover (see also Passover), Purim, Rosh Hashanah, and Yom Kippur. (See also Sabbath.)


Discover More

A symbol (see also symbol) of Judaism, the Star of David is a six-pointed star, formed by placing two triangles together, one upon the other, or interlaced.

Other Word Forms

Etymology

Origin of Judaism

1485–95; < Late Latin jūdaismus < Greek ioudaismós, equivalent to Ioudaî ( os ) Jew + -ismos -ism

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.

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This includes excluding other major faiths including Judaism, one of the foundational belief systems of the traditional Christian faith.

From Salon Jun. 27, 2026

“We’re not talking about Judaism, the religion, being punk,” says Thurston.

From Los Angeles Times May 18, 2026

Amanda describes herself as Modern Orthodox - a section of Judaism that seeks to uphold Jewish traditions and laws, but with active engagement in the modern world.

From BBC Apr. 20, 2026

Indeed, if Kimilsungism were classified as a religion, it would be one of the world’s largest, claiming roughly as many adherents as Judaism.

From The Wall Street Journal Apr. 11, 2026

He enjoyed some of the philosophies of Buddhism and Christianity, and he still felt at home, culturally, in Judaism.

From "Tuesdays with Morrie" by Mitch Albom

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