To sturt means to startle or disturb someone.
Sturting someone is usually not a good thing. It can make people feel scared or upset.
Examples:
The loud noise sturted the cat.
I don't want to sturt anyone.
She sturted when the door slammed.
I hope the surprise doesn't sturt you!
The sudden noise sturted everyone in the room.
The scary movie sturted me so much, I couldn't sleep.