plummeting
Definitions
Falling or dropping straight down at high speed.
Decreasing rapidly in value, amount, or intensity.
Examples
The company's stock prices were plummeting after the announcement of the failed merger.
Temperatures are plummeting tonight as a cold front moves across the region.
Synonyms
plunging nosing-diving dropping tumbling crashing descending falling
Antonyms
soaring skyrocketing surging rising climbing ascending escalating