/ Thesaurus / O Synonyms of on site Find synonyms for: Adjective1. on-site (vs. off-site), on-the-spot(prenominal), on-the-scene(prenominal)usage: taking place or located at the site; "on-site inspection"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language