hold out

verb6

1. •
   To hold (something) out; to extend (something) forward.

   • He held out his hand, and I grabbed it.
2. •
   (figurative) To offer, present (a hope, possibility, opportunity etc.)

   • The prospectus held out the promise of enormous profits to be made.
3. •
   To survive, endure.

   • How long can they hold out without water?
4. •
   To wait, or refuse in hopes of getting something better (from a negotiation, etc.)

   • I am holding out for more money.
   • How long has he been holding out?
5. •
   To withhold something.

   • You've got a key! Why have you been holding out on me?
6. •
   To set aside something or save it for later.

   • Pack the boxes, but hold out a few blue ones for later.