adj. 25B6; adjective
a ponderous dance : CLUMSY, heavy, awkward, lumbering, slow, cumbersome, ungainly, graceless, uncoordinated, blundering; informal clodhopping, clunky.
his ponderous sentences : LABOURED, laborious, awkward, clumsy, forced, stilted, unnatural, artificial; stodgy, lifeless, plodding, pedestrian, boring, dull, tedious, monotonous; over-elaborate, convoluted, windy.
light, lively.