Past tense of drivel: spoke foolishly or talked nonsense, or drooled.
From 'drivel', which comes from Old English 'drifol', related to drooling or speaking idly. The 'd' at the end marks the past tense.
The word 'drivel' actually comes from an old Germanic root meaning to drool—so when politicians drivel on about something, language is literally comparing their words to mindless drooling!
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