hold on

verb6

1. •
   To grasp or grip firmly.

   • Hold on tightly to the railing.
2. •
   Wait a short while.

   • Hold on while I get my coat.
3. •
   To keep; to store something for someone.

   • Hold on to my umbrella while I ride the roller coaster.
4. •
   To retain an advantage.

   • I'm holding on to my trump cards until I really need them.
5. •
   To remain loyal.

   • He didn't give up his fandom when others did; he held on.
6. •
   To persist.

   • This trade held on for many years. — 1723