This is the 6740th most frequent Japanese word.
パーティ
"パーティ" (pāti) means "party" or "social gathering" in English.
パーティ is used to indicate the event to which someone was invited.
友達が私をパーティに招待してくれました。
My friend invited me to a party.
パーティ is used here as the subject of the sentence to describe the event itself.
そのパーティはとても楽しかったです。
The party was very enjoyable.
パーティ is used to describe a social event involving celebration or gathering.