charge up

To put electricity into a battery or device so it can be used.

• I need to charge up my phone.
• We charged the batteries up overnight.
• Has your laptop charged up yet?

How to use it: charge something up (Charge your phone up before you leave.)

Similar words: charge, recharge

Opposites: discharge

Common phrases: charge up something, charge up batteries, charge up overnight

To make someone feel energetic and determined to do something.

• The coach charged up the team.
• Her speech charged us up for the competition.
• The crowd's cheers had charged him up before the race.

How to use it: charge someone up for something (The speech charged the players up for the final.)

Similar words: motivate, energize, fire up

Opposites: discourage, demotivate

Common phrases: charge up someone, charge up players, charge up supporters

To deliberately give someone HIV when they seek to become infected.

• He wanted his partner to charge him up.
• The interview described someone who had been charged up with HIV.
• He admitted charging up a partner who had asked to become infected.

How to use it: charge someone up (He told his partner he wanted to be charged up with HIV.)

Similar words: deliberately infect with HIV

Common phrases: charge up someone, charge up partners