loro mancheranno

will be missed, will be missing

→ mancare
manch to be missed (by someone), to be missed by + eranno they future
verb · 3rd-person plural, future tense Rare #40,714
will be missed, will be missing With an indirect object pronoun (ci, ti, vi), it means that someone or something will be missed by that person.
IT: Mi mancheranno i miei amici.
EN: I will miss my friends.
Conjugation of mancare
Indicative future
SingularPlural
First mancherò —
Second mancherai mancherete
Third mancherà mancheranno

Ci mancheranno.

We’ll miss them.

I tuoi amici ti mancheranno molto, Laura.

You will miss your friends very much, Laura.

— The Orphanage (2007)

Vi mancheranno.

You will miss them.

Di certo non ci mancheranno.

We certainly won't miss them.

— Il vento che accarezza l'erba (2006)