Breadcrumb Home > Thesaurus > S Synonyms of slag Find synonyms for: Noun 1. slag, scoria, dross, scum usage: the scum formed by oxidation at the surface of molten metals Verb 1. slag, convert usage: convert into slag WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of slag (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: persiflage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language