EJDict
ライセンス: CC0 (Public Domain)
日本語WordNet
a loud low dull continuous noise; "they heard the rumbling of thunder"
show one's unhappiness or critical attitude; "He scolded about anything that he thought was wrong"; "We grumbled about the increased work load"
make complaining remarks or noises under one's breath; "she grumbles when she feels overworked"
to utter or emit low dull rumbling sounds; "he grumbled a rude response"; "Stones grumbled down the cliff"
make a low noise; "rumbling thunder"
JMdict
AIによる解説
Grumble means to complain in a bad-tempered way, mutter discontentedly, or make a low rumbling sound like thunder.
ライセンス: KeyLang Original
She grumblingly paid the overpriced bill.
彼女はぶつぶつ言いながら高すぎる請求書を支払いました。
Pronunciation data from ipa-dict (MIT License) based on cmudict-ipa by @lingz