The rare daily word game sweeping the globe. Find what's hidden in plain sight.
OZONE
Definition of OZONE
noun
An allotrope of oxygen (symbol O₃) having three atoms in the molecule instead of the usual two; it is a toxic gas, generated from oxygen by electrical discharge.
Wiktionary · CC BY-SA
Where it comes from
From German Ozon, coined 1840 by Christian Friedrich Schönbein, from Ancient Greek ὄζον (ózon), neuter participle of ὄζω (ózō, “I smell”), in reference to its pungent odour. The “fresh air” sense is from an erroneous former belief that seaweed contains and releases ozone.
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.
OZONE in OUTLIER
Players have found it on 7 boards so far. 44 players have found it across Outlier's history.
It first turned up on Day 11, 31 May 2026. The most recent board was Day 107, 4 September 2026. Nobody has seen it on a board for 14 days.
First ever to find it
on Day 11, 31 May 2026 - before anyone else in Outlier's history. See the Pioneers
Also on
Built from these letters
OZONE starts with O and ends with E. Sorted, its letters read ENOOZ - the shape to hunt for when the grid is scrambled. O appears more than once. It uses Z - among the least common letters in written English.
Also seen on Day 11
Could you have found OZONE?
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 11 - and most players walked straight past it.
Play today's OUTLIER