1. past tense and past participle of switch; changed from one thing to another
2. exchanged positions or places with something else
3. turned a device on or off using a control

Examples

• She switched from coffee to tea last month.
• The twins switched places to confuse their teacher.
• He switched off the lights before leaving the room.
• They switched to a different internet provider.
• The driver switched lanes carefully.
• I switched my major from biology to chemistry.
• The company switched to renewable energy sources.