/ Thesaurus / W Synonyms of watermelon shaped Find synonyms for: Adjective1. prolate (vs. oblate), watermelon-shaped, cucumber-shaped, roundedusage: having the polar diameter greater than the equatorial diameter; "a prolate spheroid is generated by revolving an ellipse about its major axis"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language