Tumultuous

1. Characterized by loud, confused noise. [from mid 16th c.] Synonyms: noisy, uproarious
2. Causing or characterized by tumult; chaotic, disorderly, turbulent. [from mid 16th c.] Synonyms: riotous, tempestuous, tumultuary, disorderly

Antonyms

• untumultuous
• (characterized by loud, confused noise): quiet
• (causing or characterized by tumult): calm