The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PETROL
Definition of PETROL
noun
A fluid consisting of a mixture of refined petroleum hydrocarbons, primarily consisting of octane, commonly used as a motor fuel.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from French (essence de) pétrole, from Medieval Latin petroleum, from Ancient Greek πετρέλαιον (petrélaion, “oil of the rock”), from πέτρα (pétra, “stone, rock”)+ ἔλαιον (élaion, “olive oil, any oily substance”). Doublet of petroleum.
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.
PETROL in OUTLIER
Players have found it on 14 boards so far. 17 players have found it across Outlier's history.
It first turned up on Day 25, 14 June 2026. The most recent board was Day 102, 30 August 2026. It was on the latest finished board.
First found by a player on Day 25, 14 June 2026.
Built from these letters
PETROL starts with P and ends with L. Sorted, its letters read ELOPRT - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
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 PETROL
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 25
Could you have found PETROL?
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 25 - and most players walked straight past it.
Play today's OUTLIER