We use 'last' to show something is at the end in time or order. It means no other thing comes after it.
This is the last day of school.
She was the last to arrive here.
'Last' as a verb means something stays or continues for a certain time. We use it to talk about how long things happen or work.
The storm lasted two hours.
How long will the food last?
We use 'last' to talk about the one just before now or the most recent in time or order.
I saw him last week.
My last job was hard.
'Last' as a verb means to shape or make shoes using a model of the foot. This is a special meaning in shoe-making.
They last the shoes for a perfect fit.
A cobbler lasts shoes carefully.
As a noun, 'last' is a solid foot-shaped object used to shape shoes during making or repairing.
The shoemaker used a wooden last.
The last helps to make shoes fit well.
'Last' as a noun means the final part of something, like the end of an event or process.
The last of the race was very hard.
He passed the last test today.
'Last' can show that something is the only or smallest thing in a group or time, often meaning 'just' or 'mere'.
She was the last person to leave.
The last thing I need is trouble.
As an adverb, 'last' can mean 'finally' or 'at the end' of a series of events.
Last, we all went home happy.
He last found the lost key.