The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ENTHALPY
Definition of ENTHALPY
noun
A measure of the heat content of a chemical or physical system.
Wiktionary · CC BY-SA
Where it comes from
From Ancient Greek ἐν- (en-, “in”) + θάλπω (thálpō, “to warm”). Coined by Dutch physicist Heike Kamerlingh Onnes, but first used in print by J. P. Dalton in 1909 in a paper titled "Researches on the Joule-Kelvin-effect, especially at low temperatures".
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.
ENTHALPY in OUTLIER
Players have found it on 21 boards so far. 24 players have found it across Outlier's history.
It first turned up on Day 18, 7 June 2026. The most recent board was Day 102, 30 August 2026. It was on the latest finished board.
First found by a player on Day 18, 7 June 2026.
Built from these letters
ENTHALPY starts with E and ends with Y. Sorted, its letters read AEHLNPTY - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Could you have found ENTHALPY?
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 18 - and most players walked straight past it.
Play today's OUTLIER