Very loud, or full of confusion, change, or uncertainty. (Cambridge Dictionary)
Marked by tumult: loud, excited, and emotional. (Merriam -Webster)
Tending or disposed to cause or incite a tumult. (Merriam – Webster)
Marked by violent or overwhelming turbulence or upheaval. (Merriam -Webster)
Making an uproar or loud, confused noise. (Oxford Dictionaries)
Excited, confused, or disorderly. (Oxford Dictionaries)
A tumultuous event or period of time involves many exciting and confusing events or feelings. (Collins Dictionary)
A tumultuous reaction to something is very noisy, because the people involved are very happy or excited. (Collins Dictionary)
Tumultuous relationship between the human immunodeficiency virus type 1 viral infectivity factor (Vif) and the human APOBEC-3G and APOBEC-3F restriction factors.
The Dow’s tumultuous history, in one chart.
Tumultuous galaxy mergers better at switching on black holes.