noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A person who has an indifferent or unenthusiastic attitude.
2. 2
   Synonym of lukewarmer (“one who believes that climate change is due to human activity but who does not think it is a serious problem”).

Synonyms

All synonyms

lukewarmer

Etymology

From lukewarm + -ist.

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