party
The Italian word for party is 'festa'. It is commonly used in many contexts, similar to its English counterpart. You can use it when referring to a birthday party ('festa di compleanno'), a family gathering ('festa in famiglia'), or even a party in a political sense ('partito politico').
The party starts at eight.
This sentence is used to inform about the starting time of a party or an event. 'La festa' refers to 'the party', 'inizia' means 'starts' and 'alle otto' means 'at eight'.
Today is a national holiday.
This phrase is used to signify an official holiday recognized by the government. 'Oggi' means 'today', 'è una festa' translates to 'is a holiday', and 'nazionale' means 'national'.
The carnival is my favourite holiday.
Used to express a personal preference for a holiday, in this case, the Carnival. 'Il carnevale' means 'the carnival', 'è la mia festa' translates to 'is my holiday' and 'preferita' means 'favorite'.