growl
US /ɡraʊl/
UK /ɡraʊl/

1.
ringhiare
to make a low, guttural, and often menacing sound, typically produced by an animal (especially a dog) in the throat
:
•
The dog began to growl at the stranger.
Il cane iniziò a ringhiare allo sconosciuto.
•
A bear's growl can be very intimidating.
Il ringhio di un orso può essere molto intimidatorio.
2.
brontolare, mugugnare
to make a low, rumbling sound, often indicating displeasure or a warning, similar to an animal's growl but made by a person
:
•
He let out a low growl of frustration.
Emette un ringhio sommesso di frustrazione.
•
The old man would often growl about the noisy children.
Il vecchio spesso ringhiava sui bambini rumorosi.