/ Thesaurus / S Synonyms of semi prostrate Find synonyms for: Adjective1. semi-prostrate, unerect (vs. erect)usage: imperfectly prostrate; prostrate for part of its length; "the semi-prostrate evergreen, purple heather"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language