Meaning

• To wait a moment.

  "Hang on. Let me check."

• To hold, grasp, or grip.

  "Hang on to the handle so you don't drop it."

• To keep; to store something for someone.

  "Hang on to my jacket until I get back."

• To pay close attention to, or regard with (possibly obsequious) admiration.

  "The audience hangs on his every word."

• To continually believe in something; to have faith in.

  "He's got a philosophy he hangs on to."

• To persevere.

  "Just hang on and keep going; this pain won't last forever."