Meaning
inside; indoors

In a sentence
Fa freddo, restiamo dentro stasera.
It's cold, let's stay inside tonight.
Hai tutto dentro lo zaino?
Do you have everything inside the backpack?
I bambini sono dentro casa.
The children are inside the house.
Usage notes
- Use 'dentro' for physical inside (e.g., 'dentro la scatola'). For abstract ideas, 'in' or 'all'interno di' may fit better.
- Avoid 'dentro di' before pronouns (e.g., 'dentro me' not 'dentro di me').
- Common in informal speech; 'all'interno' sounds more formal.