The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PHLOGISTON
Definition of PHLOGISTON
noun
The hypothetical fiery principle formerly assumed to be a necessary constituent of combustible bodies and to be given up by them in burning.
Wiktionary · CC BY-SA
Where it comes from
From New Latin phlogiston, coined by Georg Ernst Stahl in 1702, from Ancient Greek φλογιστόν (phlogistón), neuter of φλογιστός (phlogistós, “burnt up, inflammable”), from φλογίζω (phlogízō, “to set fire to”), from φλόξ (phlóx, “flame”).
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.
PHLOGISTON in OUTLIER
Players have found it on 29 boards so far. 129 players have found it across Outlier's history.
It first turned up on Day 30, 19 June 2026. The most recent board was Day 97, 25 August 2026. Nobody has seen it on a board for 2 days.
First ever to find it
on Day 30, 19 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PHLOGISTON starts with P and ends with N. Sorted, its letters read GHILNOOPST - the shape to hunt for when the grid is scrambled. O appears more than once.
Same letters, different word
One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start PHLOGI
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 30
Could you have found PHLOGISTON?
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 30 - and most players walked straight past it.
Play today's OUTLIER