Ponderous – of great weight, so slow and clumsy
Something or someone whose actions are clumsy, slow, labourious or dull.
The pond was over us (ponderous) - no wonder he was so slow and clumsy.
Examples of ponderous in a sentence
Because I like creative articles, I find reading a newspaper to be a ponderous task.
According to the fashion critics, the designer’s new collection is ponderous and unimaginative.
The old lady's footsteps could be heard, ponderous and threatening, on the front steps.