The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ADIABATIC
Definition of ADIABATIC
adjective
Without gain or loss of heat (and thus with no change in entropy, in the quasistatic approximation).
Wiktionary · CC BY-SA
Where it comes from
19th-century coinage (introduced by W. J. M. Rankine in the 1860s) based on Ancient Greek ἀδιάβατος (adiábatos, “impassable”), used of terrain (rivers, forests) by Xenophon, from ἀ- (a-, “not”) + διά (diá, “through”) + βατός (batós, “passable”), from βαίνω (baínō, “to go”).
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.
ADIABATIC in OUTLIER
Players have found it on 1 board so far. 28 players have found it across Outlier's history.
It first turned up on Day 127, 24 September 2026. It was on the latest finished board.
First ever to find it
on Day 127, 24 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ADIABATIC starts with A and ends with C. Sorted, its letters read AAABCDIIT - the shape to hunt for when the grid is scrambled. A and I appear more than once.
Words that start ADIABA
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found ADIABATIC?
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 127 - and most players walked straight past it.
Play today's OUTLIER