seriously
US /ˈsɪr.i.əs.li/
UK /ˈsɪr.i.əs.li/

1.
seriamente, en serio
in a serious way; not jokingly
:
•
Are you seriously considering that offer?
¿Estás hablando en serio sobre esa oferta?
•
He took the criticism very seriously.
Se tomó la crítica muy en serio.
2.
gravemente, considerablemente
to a severe or considerable extent
:
•
He was seriously injured in the accident.
Resultó gravemente herido en el accidente.
•
The company is seriously considering expanding overseas.
La empresa está considerando seriamente expandirse al extranjero.