/ Thesaurus / A Synonyms of amorphous shape Find synonyms for: Noun1. amorphous shape, shape, formusage: an ill-defined or arbitrary shapeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language