The rare daily word game sweeping the globe. Find what's hidden in plain sight.
BUTADIENE
Definition of BUTADIENE
noun
An unsaturated hydrocarbon, CH2=CH-CH=CH2; it is obtained from petroleum and is used in the preparation of the synthetic rubber polybutadiene.
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.
BUTADIENE in OUTLIER
Players have found it on 9 boards so far. 16 players have found it across Outlier's history.
It first turned up on Day 42, 1 July 2026. The most recent board was Day 109, 6 September 2026. Nobody has seen it on a board for 2 days.
First ever to find it
on Day 42, 1 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
BUTADIENE starts with B and ends with E. Sorted, its letters read ABDEEINTU - the shape to hunt for when the grid is scrambled. E appears more than once.
Also seen on Day 42
Could you have found BUTADIENE?
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 42 - and most players walked straight past it.
Play today's OUTLIER