The rare daily word game sweeping the globe. Find what's hidden in plain sight.
TRISULFIDE
Definition of TRISULFIDE
noun
Any sulfide containing three atoms of sulfur.
Wiktionary · CC BY-SA
Where it comes from
From tri- + sulfide.
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.
TRISULFIDE in OUTLIER
Players have found it on 10 boards so far. 12 players have found it across Outlier's history.
It first turned up on Day 49, 8 July 2026. The most recent board was Day 150, 17 October 2026. Nobody has seen it on a board for 15 days.
First ever to find it
on Day 49, 8 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
TRISULFIDE starts with T and ends with E. Sorted, its letters read DEFIILRSTU - the shape to hunt for when the grid is scrambled. I appears more than once.
Words that start TRISUL
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 49
Could you have found TRISULFIDE?
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 49 - and most players walked straight past it.
Play today's OUTLIER