The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SUBARACHNOID
Definition of SUBARACHNOID
adjective
Located or occurring below the arachnoid mater, often specifically between the arachnoid membrane and the pia mater.
Wiktionary · CC BY-SA
Where it comes from
From sub- + arachnoid.
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
SUBARACHNOID in OUTLIER
Players have found it on 20 boards so far. 33 players have found it across Outlier's history.
It first turned up on Day 43, 2 July 2026. The most recent board was Day 163, 30 October 2026. It was on the latest finished board.
First ever to find it
on Day 43, 2 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
SUBARACHNOID starts with S and ends with D. Sorted, its letters read AABCDHINORSU - the shape to hunt for when the grid is scrambled. A appears more than once.
Also seen on Day 43
Could you have found SUBARACHNOID?
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 43 - and most players walked straight past it.
Play today's OUTLIER