Stag"nant (?), a. [L. stagnans, -antis, p.pr. of stagnare. See Stagnate.]
That stagnates; not flowing; not running in a current or steam; motionless; hence, impure or foul from want of motion; as, a stagnant lake or pond; stagnant blood in the veins.
Not active or brisk; dull; as, business in stagnant.
That gloomy slumber of the stagnant soul.
For him a stagnant life was not worth living.
© Webster 1913.