/ Thesaurus / C Synonyms of cloud over Find synonyms for: Verb1. overcloud, cloud over, cloud up, darkenusage: become covered with clouds; "The sky clouded over"2. cloud over, change state, turnusage: become overcast; "the sky clouded over"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