Breadcrumb Home > Thesaurus Cite Synonyms of lockdown Find synonyms for: Noun1. lockdown, imprisonment, internmentusage: the act of confining prisoners to their cells (usually to regain control during a riot)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: lockdown (Dictionary) Related Content Daily Word Quiz: recherch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index