The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ENDOTHERMIC
Definition of ENDOTHERMIC
adjective
Of a chemical reaction that absorbs heat energy from its surroundings.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from French endothermique, from endo- (“inside”) + thermique (“of heat”), both ultimately from Ancient Greek. By surface analysis, endo- + -thermic.
Etymology via Wiktionary (CC BY-SA).
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
ENDOTHERMIC in OUTLIER
Players have found it on 31 boards so far. 85 players have found it across Outlier's history.
It first turned up on Day 20, 9 June 2026. The most recent board was Day 96, 24 August 2026. It was on the latest finished board.
First ever to find it
on Day 20, 9 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ENDOTHERMIC starts with E and ends with C. Sorted, its letters read CDEEHIMNORT - the shape to hunt for when the grid is scrambled. E appears more than once.
Words that start ENDOTHE
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found ENDOTHERMIC?
OUTLIER is a daily word game. One grid, the same grid for everybody, and the words nobody else spots are the ones that pay. This word was on Day 20 - and most players walked straight past it.
Play today's OUTLIER