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CLIMATE CHANGE DENIER Definition & Meaning - Merriam-Webster

climate change denier

noun

variants or climate denier
plural climate change deniers or climate deniers
: one who denies that changes in the Earth's climate or weather patterns are caused by human activity

Word History

First Known Use

2003, in the meaning defined above

Time Traveler
The first known use of climate change denier was in 2003

Browse Nearby Words

climate change denial
climate change denier
climate-controlled
See all Nearby Words

Cite this Entry

“Climate change denier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/climate%20change%20denier. Accessed 8 Oct. 2025.

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