mantenerla

to keep it, to maintain it, to support her

→ mantenere
mantener to keep, to maintain + la her (direct object)
verb Rare #38,652
to keep it The attached -la refers to a feminine noun, such as promessa (“promise”).
IT: Devo mantenerla: è una promessa.
EN: I have to keep it: it's a promise.
to maintain it, to support her The attached -la means “it” or “her,” depending on what it refers to.
IT: Costa molto mantenerla.
EN: It costs a lot to maintain it.
Conjugation of mantenere
Indicative present
SingularPlural
First mantengo manteniamo
Second mantieni mantenete
Third mantiene mantengono
Imperative
SingularPlural
First — manteniamo
Second mantieni mantenete
Third mantenga —
Past
Subjunctive present
SingularPlural
First mantenga manteniamo
Second mantenga —
Third mantenga —
Indicative past
SingularPlural
Third mantenne —
Present
Indicative future
SingularPlural
First manterrò —

Grazie a voi, finalmente oggi sono riuscita a mantenerla.

Thanks to you, I finally managed to keep it today.

— La donna che canta (2010)

E penso che tu sappia che devo mantenerla.

And I think you know that I have to keep it.

— Ricchi... da morire - Delitti in famiglia (2026)

Ho fatto una promessa, devo mantenerla.

I made a promise, I have to keep it.

— Spider-Man - Un nuovo universo (2018)

Come pensi di mantenerla?

How do you plan to maintain it?

— Amores perros (2000)

Ma ho fatto una promessa e voglio mantenerla.

But I made a promise and I want to keep it.

— Rental Family - Nelle vite degli altri (2025)

Costa molto mantenerla.

It costs a lot to maintain.