1 in a way that is very steep:
Rents across the county have risen precipitously in the last decade.
I am far too cautious a man these days to act precipitously.
The town is crammed onto a thin strip between cliffs and sea, the mountains rising precipitously behind.
We drove through the Upper Town and descended, precipitously, a rock road that runs straight to the river.
The house's terrace is perched precipitously above the water.
Without such annuities, a woman's standard of living would drop precipitously after her husbands' death - even if the woman had a pension of her own.
It has been found that when joint accelerations change precipitously, bigger trajectory tracking errors are more likely to occur.