Cumbersome
Part of speech: adjective
Definition: burdensome or hindering, as a weight or drag; vexatious; cumbrous. Not easily managed or handled; awkward Hard, difficult, demanding to handle or get around with Inert, lumbering, slow in movement
Unwieldy
Part of speech: adjective
Definition: lacking strength; weakungraceful in movementdifficult to carry, manage or operate because of its size, weight or shape or complexitybadly managed or operated