The rare daily word game sweeping the globe. Find what's hidden in plain sight.
XIPHISTERNA
Definition of XIPHISTERNA
noun
plural of xiphisternum
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.
XIPHISTERNA in OUTLIER
Players have found it on 7 boards so far. 12 players have found it across Outlier's history.
It first turned up on Day 85, 13 August 2026. The most recent board was Day 122, 19 September 2026. Nobody has seen it on a board for 26 days.
First ever to find it
on Day 85, 13 August 2026 - before anyone else in Outlier's history. See the Pioneers
Also on
Built from these letters
XIPHISTERNA starts with X and ends with A. Sorted, its letters read AEHIINPRSTX - the shape to hunt for when the grid is scrambled. I appears more than once. It uses X - among the least common letters in written English.
Words that start XIPHIST
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found XIPHISTERNA?
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 85 - and most players walked straight past it.
Play today's OUTLIER