cumbersome

adjective4

1. •
   Not easily managed or handled; awkward or clumsy.

   • Cumbersome machines can endanger operators and slow down production.
2. •
   Hard, difficult, and demanding to handle or get around with.

   • A slave’s work was as cumbersome as toiling on the fields, or in the mines.
3. •
   Burdensome or hindering, as if a weight or drag; vexatious.
4. •
   Inert, lumbering, or slow in movement.