The rare daily word game sweeping the globe. Find what's hidden in plain sight.
FIREBOX
Definition of FIREBOX
noun
The chamber of a steam engine, or a steam locomotive, in which the fuel is burned.
Wiktionary · CC BY-SA
Where it comes from
From fire + box. In the sense of a redheaded woman, from box (“vagina”).
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.
FIREBOX in OUTLIER
Players have found it on 2 boards so far.
It first turned up on Day 87, 15 August 2026. The most recent board was Day 99, 27 August 2026. Nobody has seen it on a board for 3 days.
First ever to find it
on Day 87, 15 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
FIREBOX starts with F and ends with X. Sorted, its letters read BEFIORX - 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 FIREBO
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found FIREBOX?
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 87 - and most players walked straight past it.
Play today's OUTLIER