This is the 15071st most frequent Turkish word.
sevgilileri
"Sevgilileri" means "their lovers" in English.
Here, 'sevgilileri' is used as a noun in plural form, referring to 'their lovers' (third person plurals).
Sevgilileriyle birlikte yürüyüşe çıktılar.
They went for a walk together with their lovers.
In this sentence, 'sevgilileri' is the object of the sentence and indicates possession ('your friends' lovers').
Arkadaşlarınızın sevgililerini tanıyor musunuz?
Do you know your friends' lovers?
Here, 'sevgilileri' denotes multiple lovers and emphasizes the indecision among them.