/ Thesaurus / N Synonyms of nos Find synonyms for: Noun1. no, negativeusage: a negative; "his no was loud and clear"2. nobelium, No, atomic number 102, chemical element, elementusage: a radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are knownWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language