Definition of "charge up" in English

Verb

1. To recharge, to give electrical power to something.

   • You should charge up your phone before the camping trip, as there won't be any power supplies.

2. To motivate, to instill someone with determination.

   • The coach had to charge up his players with a powerful speech before the final.

3. To deliberately infect (a person) with HIV as part of bug-chasing.