# environmentalist

/ɪnˌvaɪɹənˈmɛnəɫɪst/ (US) · /ɛnvˌaɪɹənmˈɛntəlˌɪst/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/environmentalist
Updated: 2026-05-19

## Definition

a person who is very concerned about protecting the natural world and stopping pollution. They often work to make sure that nature is not harmed by human activities.

For teachers: a person who advocates for the protection of the natural environment and the prevention of pollution. Often associated with political activism or scientific research regarding ecological sustainability.

## Examples

- The environmentalist spoke at the local town hall meeting.
- As an environmentalist, she spends her weekends cleaning up the local beach to protect the marine life.
- The environmentalist argued that the proposed highway would irreversibly damage the fragile wetlands, leading to a significant loss of biodiversity in the region.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.