The rare daily word game sweeping the globe. Find what's hidden in plain sight.
HEXADECIMAL
Definition of HEXADECIMAL
noun
A number system with base sixteen, using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E and F, most used in computing as a hexadecimal digit can represent four bits, half a standard byte, and thus a single byte can be represented conveniently with two digits.
Wiktionary · CC BY-SA
Where it comes from
1952, from hexa- + decimal; see the Wikipedia article for more information. Piecewise doublet of sexadecimal.
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.
HEXADECIMAL in OUTLIER
Players have found it on 8 boards so far. 94 players have found it across Outlier's history.
It first turned up on Day 32, 21 June 2026. The most recent board was Day 102, 30 August 2026. It was on the latest finished board.
First ever to find it
on Day 73, 1 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
HEXADECIMAL starts with H and ends with L. Sorted, its letters read AACDEEHILMX - the shape to hunt for when the grid is scrambled. E and A appear more than once. It uses X - among the least common letters in written English.
Words that start HEXADEC
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 32
Could you have found HEXADECIMAL?
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 32 - and most players walked straight past it.
Play today's OUTLIER