[ahy-zey-uh or, esp. British, ahy-zahy-uh]
  1. Also called Isaiah of Jerusalem. a Major Prophet of the 8th century b.c.
  2. a book of the Bible bearing his name. Abbreviation: Isa.
  3. a male given name.

Origin of Isaiah

From the Hebrew word yəshaʿyāhū literally, Yahweh's salvation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for isaiah


noun Old Testament
  1. the first of the major Hebrew prophets, who lived in the 8th century bc
  2. the book of his and others' prophecies
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

Word Origin and History for isaiah


masc. proper name, name of a biblical prophet, from Hebrew Yesha'yah, abbreviated form of Yesha'yahu, literally "salvation of the Lord," from yesha, yeshua "salvation, deliverance."

Online Etymology Dictionary, © 2010 Douglas Harper

isaiah in Culture



A major Israelite prophet who foretold the coming of the Messiah; the Book of Isaiah in the Old Testament is attributed to him. In the New Testament, his prophecies are treated as predictions of many of the details of the life and death of Jesus. (See Good Shepherd.)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.