Definitions:

1. Implies a sudden and significant upward movement, often used in contexts like financial markets, statistical data, or physical elevations. VERB
   • The mountain trail rose steeply, challenging even the most experienced hikers with its abrupt incline.
2. Used to describe a rapid and sharp increase in something, typically a numerical value or quantity. VERB
   • The stock prices rose steeply after the announcement of the merger, gaining 20% in just two hours.

Synonyms:

• abrupt
• increased rapidly
• precipitous
• shot up
• skyrocketed