1. most important; main
2. of the best quality; excellent
3. at the best stage or condition

1. a whole number greater than 1 that can only be divided by 1 and itself
Usage: mathematics
2. the best or most important time or stage

1. to prepare something or someone for use or action

Examples

• The prime minister addressed the nation.
• This is prime real estate in the city center.
• The athlete is in his prime at age 28.
• Seven is a prime number.
• She was in the prime of her career.
• Prime the pump before starting the engine.
• The coach primed the team for the championship game.