Meanings (ES + gloss)
serio
Without humor or expression of happiness; grave in manner or disposition.
It was a surprise to see the captain, who had always seemed so serious, laugh so heartily.
deadly serious
serio
Important; weighty; not insignificant.
This is a serious problem. We'll need our best experts.
serio
Really intending what is said (or planned, etc); in earnest; not jocular or deceiving.
After all these years, we're finally getting serious attention.
He says he wants to buy the team, but is he serious?
Phrases
Word forms