Clunky (adjective)

1. Awkward or cumbersome in movement or operation.
2. Unwieldy or heavy in design or construction.

Origin:

Derived from the verb "clunk" meaning to make a heavy, dull sound when hit or moved.

Examples:

1. The old computer was clunky and slow.
2. The clunky camera was hard to handle and control.
3. The clunky interface made it difficult to navigate the software.
4. The clunky shoes made it hard to walk comfortably.
5. The clunky remote control was hard to operate and had too many buttons.