Plummet(verb)
To fall suddenly and quickly from a high level or position.
Hindi meaning:अचानक से गिरना
Synonyms: Plunge, Fall, Drop, Decline, Nosedive, Tumble
Antonyms: Rise, Ascend, Soar, Shoot-Up, Escalate
Example: Her spirits plummeted at the thought of meeting him again.
Trick to remember: Plum ke rates me plummet hua hai 
