\Stag*na"tion\, n. [Cf. F. stagnation.] 1. The condition of being stagnant; cessation of flowing or circulation, as of a fluid; the state of being motionless; as, the stagnation of the blood; the stagnation of water or air; the stagnation of vapors. 2. The cessation of action, or of brisk action; the state of being dull; as, the stagnation of business.