The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PETROLEOUS
Definition of PETROLEOUS
adjective
Containing petroleum.
Wiktionary · CC BY-SA
Where it comes from
From petrol + -eous.
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
Same root, PETROL · 6 relatives in the game
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
PETROLEOUS in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 152, 19 October 2026. Nobody has seen it on a board for 9 days.
First ever to find it
on Day 152, 19 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PETROLEOUS starts with P and ends with S. Sorted, its letters read EELOOPRSTU - the shape to hunt for when the grid is scrambled. E and O appear more than once.
Words that start PETROL
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found PETROLEOUS?
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 152 - and most players walked straight past it.
Play today's OUTLIER