"hijack" in the noun sense
1. hijack, highjack
seizure of a vehicle in transit either to rob it or divert it to an alternate destination
"hijack" in the verb sense
1. commandeer, hijack, highjack, pirate
take arbitrarily or by force
"The Cubans commandeered the plane and flew it to Miami"
2. hijack
seize control of
"they hijacked the judicial process"
Source: WordNet® (An amazing lexical database of English)
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