1. the process of developing or moving gradually towards a more advanced state
2. a sequence of numbers or musical notes following a particular pattern
Usage: mathematics; music
3. a number of things coming one after another in succession

Examples

• The patient showed steady progression in her recovery.
• His progression from beginner to expert took several years.
• The arithmetic progression 2, 4, 6, 8 increases by two each time.
• The chord progression in that song is very catchy.
• We watched the progression of clouds across the sky.
• The disease’s progression was slower than expected.
• The progression of events led to an unexpected outcome.