Webster's Revised Unabridged Dictionary · 1913

Tempestuous

Tempestuous , adjective

[Latin tempestuous: compare Old French tempestueux, French tempêtueux.]

Of or pertaining to a tempest; involving or resembling a tempest; turbulent; violent; stormy; as, tempestuous weather; a tempestuous night; a tempestuous debate.
They saw the Hebrew leader, Waiting, and clutching his tempestuous beard. — Longfellow