/ Thesaurus / C Synonyms of carjack Find synonyms for: Verb1. carjack, commandeer, hijack, highjack, pirateusage: take someone's car from him by force, usually with the intention of stealing it; "My car was carjacked last night!"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language