unwieldy

Paul darted, as quickly as his unwieldly bulk would allow, into the middle of the street.

The Professor, as I remembered him, had an elephantine sense of humour capable of the most clumsy and unwieldly gambollings.

If he could have held the boat in its course, as with a pair of oars, he might have made progress even with that unwieldly paddle.

It is an enormous folio, and rather unwieldly, but a most interesting example of the new style.