Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun grumbling
2 senses of grumbling
Sense 1
rumble, rumbling, grumble, grumbling -- (a loud low dull continuous noise; "they heard the rumbling of thunder")
=> noise -- (sound of any kind (especially unintelligible or dissonant sound); "he enjoyed the street noises"; "they heard indistinct noises of people talking"; "during the firework display that ended the gala the noise reached 98 decibels")
Sense 2
grumble, grumbling, murmur, murmuring, mutter, muttering -- (a complaint uttered in a low and indistinct tone)
=> complaint -- (an expression of grievance or resentment)
Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb grumble
4 senses of grumble
Sense 1
grouch, grumble, scold -- (show one's unhappiness or critical attitude; "He scolded about anything that he thought was wrong"; "We grumbled about the increased work load")
=> complain, kick, plain, sound off, quetch, kvetch -- (express complaints, discontent, displeasure, or unhappiness; "My mother complains all day"; "She has a lot to kick about")
Sense 2
murmur, mutter, grumble, croak, gnarl -- (make complaining remarks or noises under one's breath; "she grumbles when she feels overworked")
=> complain, kick, plain, sound off, quetch, kvetch -- (express complaints, discontent, displeasure, or unhappiness; "My mother complains all day"; "She has a lot to kick about")
Sense 3
grumble, growl, rumble -- (to utter or emit low dull rumbling sounds; "he grumbled a rude response"; "Stones grumbled down the cliff")
=> utter, emit, let out, let loose -- (express audibly; utter sounds (not necessarily words); "She let out a big heavy sigh"; "He uttered strange sounds that nobody could understand")
Sense 4
rumble, grumble -- (make a low noise; "rumbling thunder")
=> sound, go -- (make a certain noise or sound; "She went `Mmmmm'"; "The gun went `bang'")
Antonyms of adj grumbling
1 sense of grumbling
Sense 1
grumbling, rumbling -- (continuous full and low-pitched throbbing sound; "the rumbling rolling sound of thunder")
INDIRECT (VIA full) -> thin -- ((of sound) lacking resonance or volume; "a thin feeble cry")
Similarity of adj grumbling
1 sense of grumbling
Sense 1
grumbling, rumbling -- (continuous full and low-pitched throbbing sound; "the rumbling rolling sound of thunder")
=> full (vs. thin) -- ((of sound) having marked deepness and body; "full tones"; "a full voice")