tempestive
/ˌtɛmˈpɛstɪv/ (TEM-pest-iv)
Definitions
1. adjective
Given or done in a stormy or turbulent manner; relating to or characterized by a storm.
“The tempestive weather caused the plane to experience turbulence.”
2. noun
A person or thing that causes or is characterized by turmoil or upheaval.
“The politician was seen as a tempestive force in the country’s politics.”