stagnant

柯林斯词典

1. ADJ If something such as a business or society is stagnant, there is little activity or change. (经济、社会等) 停滞不前的[表不满]
He is seeking advice on how to revive the stagnant economy. 他正在征求复苏萧条经济的建议。
2. ADJ Stagnant water is not flowing, and therefore often smells unpleasant and is dirty. (水) 不流动而腐浊的
...a stagnant pond. …一个死水塘。