stagnate (Verb) — Stand still. ex. "Industry will stagnate if we do not stimulate our economy"
stagnate (Verb) — Cause to stagnate. ex. "There are marshes that stagnate the waters"
stagnate (Verb) — Cease to flow; stand without moving. ex. "Stagnating waters" ex. "blood stagnates in the capillaries"
stagnate (Verb) — Be idle; exist in a changeless situation. ex. "The old man sat and stagnated on his porch"