Definition of hijack for English Language Learners. : 1  to stop and steal (a moving vehicle) : 2  to steal (something) from a moving vehicle that you have stopped. : 3  to take control of (an aircraft) by force.
Dictionary entry overview: What does reconstitute mean? â¢ RECONSTITUTE (verb) The verb RECONSTITUTE has 1 sense: 1. construct or form anew or provide with a new structure Familiarity information: RECONSTITUTE used as a verb is very rare.
Synonym Discussion of SUPPLANT. replace, displace, supplant, supersede mean to put out of a usual or proper place or into the place of another. replace implies a filling of a place once occupied by something lost, destroyed, or no longer usable or adequate.ull Definition of SUPPLANT. 1. : to supersede (another) especially by force or treachery. 2. a (1) obsolete: uproot b: to take the place of and serve as a substitute for especially by reason of superior excellence or power.