This is the past form of 'spend'. It shows that someone gave money, time, or effort for something. We use it to talk about past actions.
I spent money on a new book.
She spent two hours on homework.
This use means very tired or with no energy left. It describes a person or thing after hard work or effort.
After work, I felt spent and very tired.
The spent athlete rested all day.
In firearms, 'spent' means the cartridge or bullet case already fired. It is empty and cannot be used again.
He picked up the spent bullet cases from the ground.
The spent shells were on the floor after shooting.
Here, 'spent' means something like power, influence, or chance that cannot be used anymore. It is finished or lost.
Her influence in the group is now spent.
The team's chances are spent after the loss.
'Spent' here shows that energy or effort was used up completely, sometimes without any positive result.
All my spent energy was gone after the run.
The spent effort did not bring success.
'Spent' is used for feelings or mental state when someone is very tired emotionally or mentally.
She felt spent after the long argument.
The team was mentally spent after the game.
In literary use, 'spent' often means time or feelings that have ended or passed away, showing a sense of loss or nostalgia.
The spent days of summer came to an end.
He recalled the spent joys of his youth.