C1adjectiveformal3K

Revolutionary

UK /["/ˌrevəˈluːʃənəri/"]/US /["/ˌrevəˈluːʃəneri/"]/

Definition

connected with political revolution

In simple words: Something that brings big change or new ideas.

Examples

a revolutionary leader
revolutionary uprisings
a **revolutionary idea**
a time of rapid and **revolutionary change**
revolutionary advances in medicine
The effects of technological development are revolutionary.
At the time this idea was revolutionary.

Usage notes

Use 'revolutionary' in contexts involving significant changes in ideas, technology, or societies. Avoid using it casually or for minor changes.

Grammar pattern

standalone adjective

Memory hint

Revolutionary sounds like 'revolve' — think of turning things completely around.

Collocations

revolutionary change
revolutionary idea
revolutionary technology
revolutionary movement

Synonyms

innovative
radical
transformative
groundbreaking
pioneering

Antonyms

conservative
traditional
reactionary

Common mistakes

Confused with 'evolutionary', which implies gradual change.
Overusing in non-formal contexts.
Not recognizing it can refer to methods, ideas, or figures.