01 a. Very heavy; weighty; as, a ponderous shield; a ponderous load; the ponderous elephant.
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1.
Very heavy; weighty; as, a ponderous shield; a ponderous load; the ponderous elephant.“The sepulcher . . . Hath oped his ponderous and marble jaws.” — Shak.
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2.
Important; momentous; forcible.
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3.
Heavy; dull; wanting; lightless or spirit; as, a ponderous style; a ponderous joke.
Phrases & compounds
Ponderous spar —
heavy spar, or barytes. See Barite.