stagnant
/ˈstægnənt/adjective
1- (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（水, 封闭空间的空气）停滞的, 不流动的; 因不流动有难闻气味的：
a stagnant ditch.
一条臭水沟。
1.1
- figurative showing no activity; dull and sluggish〈喻〉不活跃的; 呆滞的, 死气沉沉的：
a stagnant economy.
停滞的经济。
派生词
stagnancy
nounstagnantly
adverb词源
mid 17th cent.: from Latin stagnant- 'forming a pool of standing water', from the verb stagnare, from stagnum 'pool'.