spend, use up
Sí, mucha gente ha intentado averiguar cómo pudo gastar tanto.
Yes, a lot of people have tried to figure out how he could have spent so much.
No me importa gastar el dinero en libros.
I don't mind spending money on books.
¿Vas a gastar todo este dinero?
Are you going to spend all this money?
¿Cuánto más tendremos que gastar para sostener esa ilusión?
How much more will we have to spend to keep that illusion alive?
— Akira (1988)