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Word of the Day — July 13, 2026
/ˌzɒroʊˈæstriənɪzəm/ · zor·o·as·tri·an·ism
nouna monotheistic religion founded by Zoroaster, emphasizing the struggle between good and evil and the concept of free will
Zoroastrianism is considered one of the oldest monotheistic religions in the world and has had a significant influence on the development of Judaism, Christianity, and Islam. The concept of a single, all-powerful deity and the idea of a final judgment are among the key principles that have been adopted by these later religions.