Pronunciation: (slug'ish), [key]
1. indisposed to action or exertion; lacking in energy; lazy; indolent: a sluggish disposition.
2. not acting or working with full vigor, as bodily organs: a sluggish liver.
3. slow to act or respond: a sluggish car engine.
4. moving slowly, or having little motion, as a stream.
5. slow, as motion.
6. slack, as trade, business, or sales.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.