01 a. Of or pertaining to a tempest; involving or resembling a tempest; turbulent; violent; stormy; as, tempestuous weather; a tempestuous night;…
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1.
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.