What does "lukewarmer" mean?

One who believes that climate change is due to human activity but who does not think it is a serious problem.

What is a synonym for "lukewarmer"?

Common synonyms include: lukewarmist.

adj, noun

adj, noun ·Rare ·Advanced level

Noun

1
One who believes that climate change is due to human activity but who does not think it is a serious problem.
"Lukewarmers such as me accept that global warming is real, but not that it's entirely man-made or that it's dangerous."

Adjective

1
comparative form of lukewarm: more lukewarm comparative, form-of
"Compare SudhoS's informed appreciation of medieval medicine and sanitation with Coulton's lukewarmer and vaguer account."

"Compare SudhoS's informed appreciation of medieval medicine and sanitation with Coulton's lukewarmer and vaguer account."

From lukewarm + -er.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.