We have put together a list of words that are similar to SLUGGISH.

6 Alternative Words Similar to sluggish

1 Dull Adjective      Synonym Words Like Dull
2 Slow Adjective      Synonym Words Like Slow
3 Inactive Adjective      Similar Words Like Inactive
4 Stupid Adjective      Synonym Words Like Stupid
5 Tame Adjective      Synonym Words Like Tame
6 Simple Adjective      Synonym Words Like Simple

5 examples of sluggish

1 a sluggish man
2 a sluggish stream
3 a sluggish market
4 a sluggish worker
5 a mind grown torpid in old age

10 definitions of sluggish

1 Habitually idle and lazy; slothful; dull; inactive.
2 Slow; having little motion.
3 Having no power to move one's self or itself; inert.
4 Characteristic of a sluggard; dull; stupid; tame; simple.
5 (of business) not active or brisk
6 moving slowly
7 slow and apathetic
8 Displaying little movement or activity; slow; inactive: a sluggish stream; sluggish growth.
9 Lacking alertness, vigor, or energy; inert or indolent.
10 Slow to perform or respond to stimulation.
We get our data from many different dictionaries across the web:
Wordnik, Wiktionary, Century, American Heritage, Gcide