Breadcrumb Home > Thesaurus > I Synonyms of isaiah Find synonyms for: Noun 1. Isaiah usage: (Old Testament) the first of the major Hebrew prophets (8th century BC) 2. Isaiah, Book of Isaiah usage: an Old Testament book consisting of Isaiah's prophecies WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of isaiah (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: quisling Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language