/ Thesaurus / M Synonyms of marking ink Find synonyms for: Noun1. marking ink, indelible inkusage: an indelible ink for marking clothes or linens etc.WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language