tonitruate /təˈnɪtɹʊeɪt/ verb1 •(rare) To thunder.[…] yet through the caliginous sublimity of internexed conundrums, tonitruating with obstreperous cadencies, you rather obfuscate than illuminate our A-b-c-darian conceptions […] — 1733 formstonitruated · tonitruating · tonitruates