Noah Webster
Stagnant
STAGNANT, adjective [Latin , to be without, a flowing motion.]
1. Not flowing; not running in a current or stream; as a stagnant lake or pond; stagnant blood in the veins.
2. Motionless; still; not agitated; as water quiet and stagnant
The gloomy slumber of the stagnant soul.
3. Not active; dull; not brisk; as, business is stagnant