unwieldy

/AH0 N W IY1 L D IY0/
adjective
  1. 1

    Lacking strength; weak.

  2. 2

    Ungraceful in movement.

  3. 3

    Difficult to carry, handle, manage or operate because of its size, weight, shape or complexity.

  4. 4

    Badly managed or operated.

Source: https://en.wiktionary.org/wiki/unwieldy