The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SPARTICLE
Definition of SPARTICLE
noun
Any subatomic particle predicted by supersymmetry; the boson equivalent of a known fermion.
Wiktionary · CC BY-SA
Where it comes from
From s- + particle.
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.
SPARTICLE in OUTLIER
Players have found it on 5 boards so far.
It first turned up on Day 40, 29 June 2026. The most recent board was Day 135, 2 October 2026. Nobody has seen it on a board for 29 days.
First found by a player on Day 40, 29 June 2026.
Built from these letters
SPARTICLE starts with S and ends with E. Sorted, its letters read ACEILPRST - 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 SPARTI
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 40
Could you have found SPARTICLE?
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 40 - and most players walked straight past it.
Play today's OUTLIER