The rare daily word game sweeping the globe. Find what's hidden in plain sight.
DIATHERMAL
Definition of DIATHERMAL
adjective
Freely permeable by radiant heat.
Wiktionary · CC BY-SA
Where it comes from
From dia- + thermal.
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.
DIATHERMAL in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 108, 5 September 2026. Nobody has seen it on a board for 11 days.
First ever to find it
on Day 108, 5 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
DIATHERMAL starts with D and ends with L. Sorted, its letters read AADEHILMRT - the shape to hunt for when the grid is scrambled. A appears more than once.
Words that start DIATHE
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found DIATHERMAL?
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 108 - and most players walked straight past it.
Play today's OUTLIER