The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ARSENIDE
Definition of ARSENIDE
noun
An ion that is an arsenic atom with three extra electrons and charge −3.
Wiktionary · CC BY-SA
Where it comes from
From arsenic + -ide.
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.
ARSENIDE in OUTLIER
Players have found it on 9 boards so far.
It first turned up on Day 49, 8 July 2026. The most recent board was Day 93, 21 August 2026. Nobody has seen it on a board for 2 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
ARSENIDE starts with A and ends with E. Sorted, its letters read ADEEINRS - the shape to hunt for when the grid is scrambled. E appears more than once.
Same letters, different word
3 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start ARSENI
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 49
Could you have found ARSENIDE?
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