sluggish

//ˈslʌɡ.ɪʃ//
B2Frequency Level 11Neutral
Visual representation of sluggish

Adjective

sluggishCanonical form
more sluggishComparative
most sluggishSuperlative
1

Moving or reacting slowly; lacking energy or alertness.

I felt sluggish after eating such a big lunch.

2

Not functioning at normal speed or efficiency; slow to respond or make progress.

My computer has been sluggish ever since I installed the new software.