The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ADIATHERMIC
Definition of ADIATHERMIC
adjective
impervious to heat
Wiktionary · CC BY-SA
Where it comes from
From a- + diathermic.
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.
ADIATHERMIC in OUTLIER
Players have found it on 3 boards so far.
It first turned up on Day 6, 27 May 2026. The most recent board was Day 108, 5 September 2026. Nobody has seen it on a board for 12 days.
First ever to find it
on Day 102, 30 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ADIATHERMIC starts with A and ends with C. Sorted, its letters read AACDEHIIMRT - the shape to hunt for when the grid is scrambled. A and I appear more than once.
Also seen on Day 6
Could you have found ADIATHERMIC?
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 6 - and most players walked straight past it.
Play today's OUTLIER