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Luther

American  
[loo-ther, loot-uhr] / ˈlu θər, ˈlʊt ər /

noun

  1. Martin 1483–1546, German theologian and author: leader, in Germany, of the Protestant Reformation.

  2. a male given name: from Germanic words meaning “famous” and “army.”


Luther British  
/ ˈluːθə /

noun

  1. Martin. 1483–1546, German leader of the Protestant Reformation. As professor of biblical theology at Wittenberg University from 1511, he began preaching the crucial doctrine of justification by faith rather than by works, and in 1517 he nailed 95 theses to the church door at Wittenberg, attacking Tetzel's sale of indulgences. He was excommunicated and outlawed by the Diet of Worms (1521) as a result of his refusal to recant, but he was protected in Wartburg Castle by Frederick III of Saxony (1521–22). He translated the Bible into German (1521–34) and approved Melanchthon's Augsburg Confession (1530), defining the basic tenets of Lutheranism

"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

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Example Sentences

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“Martin Luther is rolling over in his grave.”

From The Wall Street Journal Jul. 19, 2026

The Watts Rebellion and the assassination of the Rev. Martin Luther King Jr. three years later sharpened the political force of her vision.

From Los Angeles Times Jul. 15, 2026

Martin Luther King Jr described America as manifesting a "schizophrenic personality" long before the nationwide disillusionment with the Dream began.

From BBC Jul. 2, 2026

Juneteenth in 2021 became the first new federal holiday since Martin Luther King Jr. Day in 1983.

From Barron's Jun. 19, 2026

Bull’s laugh caromed off the walls as Luther joined him with a laugh that was as much exasperation as mirth.

From "The Great Santini" by Pat Conroy

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