The rare daily word game sweeping the globe. Find what's hidden in plain sight.

NITROXES

/ˈnaɪtɹɒks/8 letters

Definition of NITROXES

Wiktionary has no entry for NITROXES itself. This is its base word, NITROX.

noun

An industrial process for case hardening (imparting greater surface hardness to) metal objects, involving nitrocarburizing (the diffusion of carbon and nitrogen into the metal) followed by oxidation.

Wiktionary · CC BY-SA

Where it comes from

The origin recorded for NITROX.

Blend of nitro(gen) + ox(ygen). Analyzable as nitro- + ox

Etymology via Wiktionary (CC BY-SA).

Rarity score
Withheld
Revealed only in play
Tier
Withheld
Find it yourself

OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.

NITROXES in OUTLIER

Players have found it on 1 board so far.

Day 1Day 102
Its one board, across 102 finished boards · taller bars are busier boards
1
Boards found on
85
First board
17
Days since seen

It first turned up on Day 85, 13 August 2026. Nobody has seen it on a board for 17 days.

First ever to find it

collinw

on Day 85, 13 August 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

NITROXES
8
Letters
3
Vowels
5
Consonants
8
Different letters
2
Longest consonant run
1
Longest vowel run

NITROXES starts with N and ends with S. Sorted, its letters read EINORSTX - 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 NITROX

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found NITROXES?

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 85 - and most players walked straight past it.

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