This is the 10577th most frequent French word.
manquera
"Manquera" means "will miss" in English.
Here, 'manquera' acts as a third-person singular future tense of the verb 'manquer,' meaning 'to miss,' used reflexively to express missing someone.
Il me manquera chaque jour.
I will miss him every day.
'Manquera' here is used in its literal sense to express that she will fail to take an opportunity to travel.
Elle manquera l'occasion de voyager en Italie.
She will miss the opportunity to travel to Italy.
'Manquera' functions to describe something being absent or lacking in a given context.