Definitions

1. noun

the act of starting something again, especially a computer or machine after it has failed or stopped working

“The system requires a complete restart after the update.”

2. verb

to start something again, especially a computer or machine, after it has failed or stopped working

“We need to restart the server to fix the error.”

3. verb

to begin again from the start, especially in a game or competition

“We have to restart the game because of the foul.”