ponderous

ponderous is an   Adverb

Definition:

[1] Very heavy; weighty; as, a ponderous shield; a ponderous load; the ponderous elephant. The sepulcher . . . Hath oped his ponderous and marble jaws. Shak.

[2] Important; momentous; forcible. "Your more ponderous and settled project." Shak.

[3] Heavy; dull; wanting; lightless or spirit; as, a ponderous style; a ponderous joke. Ponderous spar (Min.), heavy spar, or barytes. See Barite.

Synonyms: