The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PEROXIDS
Definition of PEROXIDS
noun
plural of peroxid
PEROXIDE · via peroxid
noun
A divalent radical or anion containing two oxygen atoms linked by a covalent bond; any substance containing this group yields hydrogen peroxide when treated with an acid.
Wiktionary · CC BY-SA
Word DNA
How it is built
Same root, PEROXID · 3 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.
PEROXIDS in OUTLIER
Players have found it on 4 boards so far.
It first turned up on Day 65, 24 July 2026. The most recent board was Day 116, 13 September 2026. Nobody has seen it on a board for 47 days.
First ever to find it
on Day 65, 24 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PEROXIDS starts with P and ends with S. Sorted, its letters read DEIOPRSX - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram. It uses X - among the least common letters in written English.
Words that start PEROXI
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found PEROXIDS?
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 65 - and most players walked straight past it.
Play today's OUTLIER