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.
Someone who is astute is clever and has good judgment. The kid running around with a bucket stuck on his head? Not so astute. Astute (from Latin) is a formal and flattering adjective for someone with a good head on their shoulders. It differs from its synonym shrewd in placing less emphasis on hardheadedness than on sensitivity: we talk about a shrewd bargainer but an astute interpretation.