The rare daily word game sweeping the globe. Find what's hidden in plain sight.
XIPHOSURAN
Definition of XIPHOSURAN
noun
Any member of the order Xiphosura, including horseshoe crabs.
Wiktionary · CC BY-SA
Where it comes from
From Xiphosura + -an.
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.
XIPHOSURAN in OUTLIER
Players have found it on 21 boards so far. 52 players have found it across Outlier's history.
It first turned up on Day 32, 21 June 2026. The most recent board was Day 157, 24 October 2026. Nobody has seen it on a board for 2 days.
First ever to find it
on Day 65, 24 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
XIPHOSURAN starts with X and ends with N. Sorted, its letters read AHINOPRSUX - 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.
Words that start XIPHOS
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found XIPHOSURAN?
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