progression

noun

pro·​gres·​sion prə-ˈgre-shən 

1

: a sequence of numbers in which each term is related to its predecessor by a uniform law

2

a

: the action or process of progressing : advance

b

: a continuous and connected series : sequence

3

a

: succession of musical tones or chords

b

: the movement of musical parts in harmony

c

: sequence sense 2c

progressional

prə-ˈgresh-nəl 

-ˈgre-shə-nᵊl

adjective

Synonyms of progression

• sequence
• chain
• train

Examples of progression in a Sentence

Doctors were surprised by the rapid progression of the disease.

the natural progression of his musical talent

Recent Examples on the Web

Instead, it’s intended as a potential adjunct treatment to help slow their progression. — Beth Sobol, Flow Space, 2 Oct. 2026

Last year, the company reported a three-year update showing a 75% slowing of disease progression. — Adam Feuerstein, STAT, 1 Oct. 2026

What makes this progression significant is that each stage creates opportunities for detection and intervention. — Ascend Agency, New York Daily News, 28 Sep. 2026

New research presented at an international cancer conference this week suggests that unhealthy sleeping patterns may contribute to the development and progression of breast cancer. — David Cox, NBC news, 28 Sep. 2026

Word History

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing progression

• arithmetic progression
• geometric progression
• harmonic progression

Rhymes for progression

• accession
• aggression
• compression
• concession
• confession
• depression
• digression
• discretion
• expression
• impression
• obsession
• oppression

Kids Definition

progression

noun

pro·​gres·​sion prə-ˈgresh-ən 

1

: the action of progressing or moving forward

2

: a continuous and connected series (as of acts, events, or steps)

3

: a changing from one chord to another by means of several notes or chords coming one after the other