0 Stagnant water or air does not flow and becomes dirty and smells unpleasant. -- estancado
a stagnant pond
1 A stagnant economy, society, or organization does not develop or grow. -- estancado
2 (of water) standing still rather than flowing and therefore usually dirty -- estancado
a stagnant pool.
3 dull or inactive -- paralizado, estancado
Our economy is stagnant.
However, at present, economic growth is stagnant, and unemployment is distressingly high, over 15 to 20% overall.
For example, by increasing the amount of stagnant water surfaces, damming policy has caused the number of parasite diseases to rocket.