loro aumentano

increase, go up

→ aumentare
aument to increase, to raise + ano 3rd-person plural present
verb · 3rd-person plural, present tense Rare #44,648
increase, go up Can be used with or without an object: things increase, or someone increases something.
IT: I prezzi aumentano ogni anno.
EN: Prices go up every year.
Conjugation of aumentare
Indicative present
SingularPlural
Second — aumentate
Third aumenta aumentano

Ogni giorno aumentano.

They're increasing every day.

— Il Signore degli Anelli - Le due torri (2002)

I prezzi aumentano.

Prices are rising.

I nostri conti bancari aumentano, compriamo case nuove, auto nuove.

Our bank accounts grow, we buy new houses, new cars.

— Essi vivono (1988)