Synonyms of rambunctious

1 Syllable
loud, rude, rough
2 Syllables
noisier, forter, roaring, rowdy, rowdier, raucous, noisy, louder, loudest, loudmouth
3 Syllables
tumultuous, turbulent, termagant, ear-piercing, ear-splitting, full-mouthed, loud-voiced, unruly, clangorous, rumbustious, ear-popping, blusterous, clattery, rackety, strepitous, fullmouthed, boisterous
4 Syllables
obstreperous
6 Syllables
tumultous/tumultuous