The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PETRICHOR
Definition of PETRICHOR
noun
The distinctive scent, caused by geosmin, which accompanies the first rain after a long, warm, dry spell.
Wiktionary · CC BY-SA
Where it comes from
From petr(o)- + ichor. Coined by Australian scientist Richard Grenfell Thomas in 1964 for the article “Nature of Argillaceous Odour”, co-authored by Isabel Joy Bear and published in the journal Nature.
Etymology via 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.
PETRICHOR in OUTLIER
Players have found it on 1 board so far. 37 players have found it across Outlier's history.
It first turned up on Day 140, 7 October 2026. Nobody has seen it on a board for 13 days.
First ever to find it
on Day 140, 7 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PETRICHOR starts with P and ends with R. Sorted, its letters read CEHIOPRRT - the shape to hunt for when the grid is scrambled. R 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.
Could you have found PETRICHOR?
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 140 - and most players walked straight past it.
Play today's OUTLIER