cumbersome

/ˈkʌmbərsəm/
adjective
  1. Large, heavy, or difficult to carry or move because of size or weight.
    • The knight's armor was effective but cumbersome, making it hard to run.
    • The old suitcase was so cumbersome that she could barely lift it onto the train.
    • Carrying a cumbersome stack of boxes up three flights of stairs took all afternoon.
  2. Slow, complicated, or inefficient; difficult to use or deal with.
    • The company's cumbersome approval process delayed the project by weeks.
    • Filing taxes by hand can be a cumbersome task without the right tools.
    • This software feels cumbersome compared to the newer, simpler apps.
Antonyms
What does "cumbersome" mean? | whatsthatwordmean | whatsthatwordmean