a.

1. 笨重的；（因體積、重量等原因）難處理的
   a cumbersome parcel

   一個笨重難拿的包裹

2. 累贅的；麻煩的
   a cumbersome obligation

   繁重的義務

adj.

1. difficult to carry or use through size; unwieldy.
2. slow or complicated and therefore inefficient.