Meaning · noun
interior, inside
- apartment/unit number (in an address)
- (telephone) extension
- lining (of clothes)

In a sentence
L'interno della casa è molto semplice.
The inside of the house is very simple.
Hai visto l'interno della giacca nuova?
Have you seen the inside of the new jacket?
Il nostro ufficio si trova al terzo piano, interno 5.
Our office is on the third floor, suite 5.
Word forms (2)
| Word | Word forms |
|---|
| interno | masculine · singular |
| interni | masculine · plural |
Usage notes
- Use 'interno' for 'inside' of buildings or spaces, not for objects like boxes (use 'dentro').
- In medicine, 'interno' means 'intern' (doctor), but 'stagista' is more common for general internships.
- For 'apartment', 'appartamento' is more common in northern Italy; 'interno' is standard in central/southern regions.
Meaning · adjective
internal, inner, indoor
- internal, inner, interior, indoor
- domestic, inland

In a sentence
Ho messo le chiavi nella tasca interna della giacca.
I put the keys in the inner pocket of the jacket.
Hai già visto il giardino interno della scuola?
Have you already seen the school's inner courtyard?
Quest'anno il turismo interno è cresciuto molto.
This year domestic tourism grew a lot.
Word forms (4)
| Word | Word forms |
|---|
| interno | masculine · singular |
| interna | feminine · singular |
| interni | masculine · plural |
| interne | feminine · plural |
Usage notes
- Use interno after the noun in many fixed labels: volo interno, mercato interno, uso interno. Before the noun is possible but often more literary.
- For body parts or rooms, interno often contrasts with esterno: orecchio interno, cortile interno. Within means interno a only in formal contexts.
- Don't confuse interno with dentro: interno is an adjective or noun; dentro is usually an adverb/preposition.
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