To make something longer or larger in space or time. They decided to extend the deadline by two weeks.
To stretch out a part of the body. She extended her hand to greet him.
To offer or give something to someone. He extended an invitation to the entire team.
To cause something to cover a larger area or affect a larger group. The company plans to extend its operations into Asia.
To reach out or continue in a particular direction. The road extends for miles through the countryside.
To be applicable or relevant to; include. The new safety regulations extend to all factory workers.