hold on

verb
1

To grasp or grip firmly.

"Hold on tightly to the railing."

2

To keep; to store something for someone.

"Hold on to my umbrella while I ride the roller coaster."

3

To retain an advantage.

"I'm holding on to my trump cards until I really need them."

4

Wait a short while.

"Hold on while I get my coat."

5

To remain loyal.

"He didn't give up his fandom when others did; he held on."

6

To persist.

Source: https://en.wiktionary.org/wiki/hold%20on

Definitions come from the Free Dictionary API (dictionaryapi.dev), with Wiktionary as a fallback when it is slow, and are cached for up to 24 hours.