Stagnant :: Stagnancy (n.) State of being stagnant.
Stagnant :: Stagnant (a.) 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..
Stagnantly :: Stagnant (a.) Not active or brisk; dull; as, business in stagnant..