The rare daily word game sweeping the globe. Find what's hidden in plain sight.
OXIDISER
Definition of OXIDISER
noun
Non-Oxford British English standard spelling of oxidizer.
OXIDIZER
noun
An oxidizing agent, especially one used to oxidize the fuel of a rocket or a fuel cell.
Wiktionary · CC BY-SA
Other senses
OXIDISER carries 2 further meanings.
noun
Alternative spelling of oxidizer.
noun
a substance that oxidizes another substance
Where it comes from
From oxidise + -er.
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
Same root, OXIDE · 17 relatives in the game
OXIDISER in a sentence
“To do that you need to carry the oxidiser with you and that increases the take-off weight to where a runway capable reusable craft with a reasonable payload becomes problematic.”
MACH-5 A2: Fly Sydney to Brussels in 4hrs – Emissions Free! | Inhabitat, 2008
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
OXIDISER in OUTLIER
Players have found it on 14 boards so far. 68 players have found it across Outlier's history.
It first turned up on Day 65, 24 July 2026. The most recent board was Day 164, 31 October 2026. Nobody has seen it on a board for 2 days.
First found by a player on Day 65, 24 July 2026.
Built from these letters
OXIDISER starts with O and ends with R. Sorted, its letters read DEIIORSX - the shape to hunt for when the grid is scrambled. I appears more than once. It uses X - among the least common letters in written English.
Words that start OXIDIS
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found OXIDISER?
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