The rare daily word game sweeping the globe. Find what's hidden in plain sight.
CORTEX
Definition of CORTEX
noun
The outer layer of an internal organ or body structure, such as the kidney or the brain.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from Latin cortex (“cork, bark”).
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.
CORTEX in OUTLIER
Players have found it on 9 boards so far. 19 players have found it across Outlier's history.
It first turned up on Day 75, 3 August 2026. The most recent board was Day 105, 2 September 2026. Nobody has seen it on a board for 7 days.
First found by a player on Day 75, 3 August 2026.
Built from these letters
CORTEX starts with C and ends with X. Sorted, its letters read CEORTX - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram. It uses X - among the least common letters in written English.
Could you have found CORTEX?
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 75 - and most players walked straight past it.
Play today's OUTLIER