Breadcrumb Home > Thesaurus > Y Synonyms of y Find synonyms for: Noun 1. yttrium, Y, atomic number 39, metallic element, metal usage: a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys 2. Y, y, wye, letter, letter of the alphabet, alphabetic character usage: the 25th letter of the Roman alphabet WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of y (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: perfidy Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language