The phrase "a precipitous event" is correct and usable in written English.
It can be used to describe an event that occurs suddenly and with little warning, often with significant consequences.
Example: "The company faced a precipitous event when the CEO unexpectedly resigned, leaving the board scrambling for a replacement."
Alternatives: "a sudden event" or "a drastic event".
Fertility decline is not some precipitous event.
"The continuing violations and systematic failings simply heighten international anxieties over the possibility of a precipitous turn, an event of great centrifugal consequence, which could rapidly engulf the region," said Zeid. "If the international community is serious over reducing tensions in the region, more must be done collectively to ensure respect for human rights in the DPRK".
These events led to a precipitous decline, which lasted until the city revived and expanded under the stimulus of industrial development in the 19th century.
He called it "a precipitous action specifically related to the events of Sept. 11 and the fact that we have a major presence in New York City".
The "life-cycle" model, first articulated in Utility Analysis and the Consumption Function (1954) by economists Franco Modigliani and Richard Brumberg, proposes that households' spending decisions are driven by household members' assessments of expenditure needs and income over the remainder of their lives, taking into account predictable events such as a precipitous drop in income at retirement.
It is also of note that one cannot reliably determine from birth certificates whether the vaginal delivery was a planned and monitored event, or whether it was a precipitous delivery of a high-risk pregnancy [ 27].
For the accuser, Nafissatou Diallo, a 33-year-old Guinean immigrant, the result caps a precipitous fall.
The result was a precipitous economic decline that continued for nine frightening months.
The first consequence may be a precipitous decline in cable subscriptions from college students.
In Japan, a large increase in the use of proton pump inhibitors has resulted in a precipitous fall in bleeding rates, and particularly deaths from a bleeding event [ 45].
