The rare daily word game sweeping the globe. Find what's hidden in plain sight.
HYPERCAPNIA
Definition of HYPERCAPNIA
noun
The condition of abnormally elevated carbon dioxide in the blood.
Wiktionary · CC BY-SA
Where it comes from
From hyper- + capn- + -ia; more at capno- § Etymology.
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.
HYPERCAPNIA in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 110, 7 September 2026. Nobody has seen it on a board for 10 days.
First ever to find it
on Day 110, 7 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
HYPERCAPNIA starts with H and ends with A. Sorted, its letters read AACEHINPPRY - the shape to hunt for when the grid is scrambled. P and A appear more than once.
Words that start HYPERCA
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found HYPERCAPNIA?
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 110 - and most players walked straight past it.
Play today's OUTLIER