environmentalist

noun en·vi·ron·men·tal·ist \ in-ˌvī-rə(n)-ˈmen-tə-ləst , -ˌvī(-ə)r(n)- \
|Updated on: 12 Aug 2018

Definition of environmentalist

1 : an advocate of environmentalism
2 : one concerned about environmental quality especially of the human environment with respect to the control of pollution

Recent Examples of environmentalist from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'environmentalist.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of environmentalist

1902

in the meaning defined at sense 1

See Words from the same year
NEW! Time Traveler

ENVIRONMENTALIST Defined for English Language Learners

environmentalist

Definition of environmentalist for English Language Learners

  • : a person who works to protect the natural world from pollution and other threats


Medical Dictionary

environmentalist

noun en·vi·ron·men·tal·ist \ -ᵊl-əst \

medical Definition of environmentalist

1 : an advocate of environmentalism
2 : one concerned about environmental quality especially of the human environment with respect to the control of pollution


Seen and Heard

What made you want to look up environmentalist? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

very hard to disturb or upset

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet-pasta-spelling-help
  • Which is the correct spelling?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!