useless

US /ˈjuːs.ləs/
UK /ˈjuːs.ləs/
"useless" picture
1.

inútil, inservible

serving no purpose; completely without use

:
This broken pen is completely useless.
Este bolígrafo roto es completamente inútil.
It's useless to argue with him; he never changes his mind.
Es inútil discutir con él; nunca cambia de opinión.
2.

incapaz, inepto

having no ability or skill in a particular area

:
I'm completely useless at math.
Soy completamente inútil para las matemáticas.
He's useless with computers.
Es inútil con las computadoras.