/ ˈgrʌmblɪŋ; NAmE / noun
1.
[ U ] the act of complaining about sth :
We didn't hear any grumbling about the food.
2.
grumblings [ pl. ] protests about sth that come from a number of people but that are not expressed very clearly
/ ˈgrʌmblɪŋ; NAmE / noun
1.
[ U ] the act of complaining about sth :
We didn't hear any grumbling about the food.
2.
grumblings [ pl. ] protests about sth that come from a number of people but that are not expressed very clearly
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005