Meaning of the word activist in English

What does activist mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

activist

US /ˈæk.tə.vɪst/
UK /ˈæk.tɪ.vɪst/
"activist" picture

Noun

a person who campaigns to bring about political or social change

Example:
She is a well-known environmental activist.
The human rights activist spoke passionately about justice.