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.
Webster Dictionary(0.00 / 0 votes)Rate this definition: Supplant(noun) to trip up. Supplant(noun) to remove or displace by stratagem; to displace and take the place of; to supersede; as, a rival supplants another in the favor of a mistress or a prince. Supplant(noun) to overthrow, undermine, or force away, in order to get a substitute in place of.