seriously
seriously
/ˈsɪəriəsli/
1 in a serious way
to be seriously ill/injured/wounded/hurt
Smoking can seriously damage your health.
Migraines can seriously affect your quality of life.
You're not seriously expecting me to believe that?
They are seriously concerned about security.
You need to think seriously about your next career move.
He is seriously considering opening a second restaurant.
There is something seriously wrong with the whole system.
2 used at the beginning of a sentence to show a change from joking to being more serious
Seriously though, it could be really dangerous.
3 (informal) very; extremely
They're seriously rich.
Idioms