The plural form of soiree is soirees.

How do you spell the party soiree?

Soiree, pronounced "swah-RAY," is a French word. Soir means "evening" in French, and soiree is literally an "evening party." But this is no Super Bowl party with potato chips and people slouching in easy chairs — a soiree is an elegant affair. Though often held in someone's house, people dress up.

Is Soire a word?

As is typical for words that have been borrowed from modern French, soiree in English signifies the fancy version of a simple “party”: an evening event that is formal or refined in some way. ... Soiree can be spelled in English using the acute accent as soirée, but is usually spelled without it.