/ Thesaurus / P Synonyms of plant closing Find synonyms for: Noun1. plant closing, closure, closedown, closing, shutdownusage: act of shutting down operation of a plantWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language