This is the 862nd most frequent Italian word.
perfetto
Perfect.
The word 'perfetto' is used here as an adjective to describe the suitability of the wine to complement cheeses.
Questo vino è perfetto per accompagnare i formaggi.
This wine is perfect for pairing with cheeses.
Here, 'perfetto' is employed to express that the dress is ideal or flawless for the specific event.
Finalmente, ho trovato il vestito perfetto per la festa.
Finally, I found the perfect dress for the party.
In this instance, 'perfetto' is used to indicate that the mechanism operates in an ideal or flawless manner, effectively as an adverb in meaning though remaining adjectival in form.