sluggish

/ˈslʌɡɪʃ/
adjective
  1. Moving, reacting, or functioning slowly; lacking energy or speed.
    • I felt sluggish after eating a big lunch.
    • The old computer was sluggish and took forever to load programs.
    • Traffic was sluggish this morning because of the rain.
  2. Slow to respond or show activity, especially in business or economics.
    • The economy remains sluggish despite government efforts.
    • The housing market is sluggish in the winter months.
    • Sales have been sluggish all quarter.