Stagnation (noun)

1. A state or situation in which there is little or no growth, development, or movement.
2. A state in which a body of water or other liquid ceases to flow or move.

Origin:

Late 16th century: from latin stagnatio(n-), from stagnare "be stagnant" (see stagnate).

Examples:

1. The economy has been suffering from a long period of stagnation.
2. Due to the lack of rainfall, the lake has fallen into a state of stagnation.
3. The project was suffering from a state of stagnation, as no progress was being made.
4. The river was in a state of stagnation, with very little water flowing.
5. Stagnation of water in the pond leads to an increase in the growth of algae.