The rare daily word game sweeping the globe. Find what's hidden in plain sight.
HORSETAIL
Definition of HORSETAIL
noun
A tail of a horse. (Can we add an example for this sense?)
Wiktionary · CC BY-SA
Where it comes from
From Middle English horsetaile, horstaile, equivalent to horse + tail.
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.
HORSETAIL in OUTLIER
Players have found it on 10 boards so far. 19 players have found it across Outlier's history.
It first turned up on Day 49, 8 July 2026. The most recent board was Day 101, 29 August 2026. Nobody has seen it on a board for 1 day.
First ever to find it
on Day 49, 8 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
HORSETAIL starts with H and ends with L. Sorted, its letters read AEHILORST - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
2 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start HORSET
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 49
Could you have found HORSETAIL?
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 49 - and most players walked straight past it.
Play today's OUTLIER