Definitions:

1. To criticize or rebuke someone strongly for their actions or behavior. VERB
   • The coach jacked up the players for their poor performance in the last game.
2. To improve or enhance something, often by making it more exciting or intense. VERB
   • The director wanted to jack up the action scenes in the movie to make them more thrilling.
3. To increase or raise the price, level, or value of something. VERB
   • The company decided to jack up the prices of their products due to increased production costs.
4. Using a mechanical device called a "jack" to lift a heavy object off the ground for maintenance or repair. VERB
   • They had to jack up the car to change the flat tire.

Synonyms:

• boost
• hike up
• improve
• increase
• inflate
• intensify
• jack
• raise