downturn

noun

1. A downward trend, or the beginnings of one.

   “Near-synonym: decline”

   “The downturn in the economy made it harder to find jobs.”

   “Any [economic] downturn will eventually impact on rail freight, and indeed passenger traffic, so operators are watching this closely.”

   “In the 1950s, the downturn in BR's financial performance can be illustrated by its declining market share. Between 1951 and 1961, the railways' market share of passenger business fell from 21% to 14%, and for freight from 45% to 29%.”

verb

1. (intransitive)To turn downwards.
2. (idiomatic, intransitive)To decline.