effortfulness

/ˈɛfərtfəlnəs/
noun
  1. The quality of requiring a lot of physical or mental effort; difficulty or laboriousness.
    • The effortfulness of the task made everyone appreciate the final result even more.
    • She underestimated the effortfulness of organizing a large family reunion.
    • The effortfulness of the hike was clear from the heavy breathing of the climbers.
Antonyms