1. falling or dropping straight down very quickly
Usage: present participle of plummet
2. decreasing rapidly in amount, value, or level
Usage: present participle of plummet

1. falling or decreasing very rapidly

Examples

• The bird came plummeting down from the sky.
• Stock prices are plummeting after the announcement.
• His approval ratings have been plummeting for months.
• The temperature is plummeting as winter approaches.
• Sales figures show a plummeting trend this quarter.
• The plane was plummeting toward the ground.
• Oil prices are plummeting due to oversupply.