Meaning
serious
- earnest

In a sentence
Luca è sempre serio quando lavora.
Luca is always serious when he works.
Ma sei serio o stai scherzando?
Are you serious or are you joking?
Non è una cosa seria, tranquillo.
It’s not a serious thing, don’t worry.
Word forms (4)
| Word | Word forms |
|---|---|
| serio | masculine · singular |
| seria | feminine · singular |
| seri | masculine · plural |
| serie | feminine · plural |
Usage notes
- Use 'serio' for people/things showing deep thought or gravity. 'Grave' implies worse severity (e.g., illness).
- Always agree in gender/number: 'serio' (m.sg.), 'seria' (f.sg.), 'seri' (m.pl.), 'serie' (f.pl.).
- Avoid overusing 'serio' for 'serious' in casual contexts—'importante' or 'grave' may fit better.