Stagnant : (of a body of water or the atmosphere of a confined space) having no current or flow and often having an unpleasant smell as a consequence.Gloomy : dark or poorly lit, especially so as to appear depressing or frightening.Dying : on the point of death.Superfluous : unnecessary, especially through being more than enough.Moribund : (of a person) at the point of death.Synonym of Moribund is Dying