grumbling   (Sound)

The grumbling has 3 Senses.

• grumbling, rumbling, grumble, rumble
• ゴロゴロいう音
• a loud low dull continuous noise; "they heard the rumbling of thunder"
• 大きくて低くて鈍い連続した騒音

• grumbling, grumble, mutter, muttering, murmur, murmuring
• a complaint uttered in a low and indistinct tone
• 低く不明瞭な声調で文句を言うこと

• rumbling, grumbling
• continuous full and low-pitched throbbing sound; "the rumbling rolling sound of thunder"
• 連続的に充満した低音域のずきずきしている音