Impede, hinder, interfere.
the word means to walk or work in a slow way because of tiredness.
The verb "to err" means to make a mistake. It is the root of the word "error". "Cautious" means careful, slow to act. "Seldom" means rarely, not often. You should be able to work it out now.
Resolve means to work out a problem.
The word "operate" is formed from a base word that means to work or to keep in action.
As a noun, the word trabajador means worker, it comes from trabajar which is to work. As an adjective, it means hardworking.
A synonym for the word "sluggish" is "lethargic" or "listless."
The root word Ergo means work.
to do work
Answer
Energy.
shirk
work