Meanings (ES + gloss)
gruñir
To utter a deep guttural sound, as an angry animal; to give forth an angry, grumbling sound.
Let bears and lions growl and fight, / Let bears and lions growl and fight, / For 'tis their nature too, / For 'tis their nature too.
The dog growled at me as I walked past.
gruñir
To express (something) by growling.
Bastane, as he entered, growled an invective, while he sullenly expressed his discontent at an unexpected call and additional labour.
The old man growled his displeasure at the postman.