downturn noun
ADJ. serious, severe, sharp, significant | mild, slight | economic
VERB + DOWNTURN experience, suffer The building industry is experiencing a severe downturn in its workload. | see, witness
PREP. ~ in The 1990s witnessed a sharp downturn in the party's fortunes.
You can also check other dicts: downturn (English, 中文解释 ), wordnet sense, Collins Definition