/ Thesaurus / A Synonyms of apple rust Find synonyms for: Noun1. apple rust, cedar-apple rust, Gymnosporangium juniperi-virginianae, rust, rust fungususage: rust fungus causing rust spots on apples and pears etcWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language