lukewarmistWiktionary 原文英美构词拆解lukewarmlukewarm词干ist-ist后缀-istAdded to words to form nouns denoting:词源说明From lukewarm + -ist.释义名词noun1A person who has an indifferent or unenthusiastic attitude.2Synonym of lukewarmer (“one who believes that climate change is due to human activity but who does not think it is a serious problem”).