say it: pree-SIP-i-tuh-slee
precipitously is an adverb meaning "very suddenly and to a great degree". It carries 2 recorded senses.
very suddenly and to a great degree
“conditions that precipitously increase the birthrate”
“prices rose sharply”
abruptly; in a precipitous manner
“the mountains rose precipitously from the shore”
Definitions, synonyms and semantic relations for precipitously come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.