Being a Jew, or relating to Jews, their ethnicity, religion or culture.
"The community gathered at the synagogue to celebrate traditional Jewish holidays and share cultural foods."
In plain English: Jewish describes someone who is born into, raised by, or follows Judaism as their religion and culture.
"The Jewish community in this city has celebrated their traditions for generations."
The Yiddish or Hebrew language.
"The author wrote his first book in Jewish before switching to English."
The word Jewish comes from the Old English term for "of or pertaining to Jews," which was formed by adding a suffix meaning "-like" or "-belonging to." It traveled into modern usage through Middle English and shares roots with similar words in Dutch, German, and other languages.