The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SIDEROPHILE
Definition of SIDEROPHILE
noun
In the Goldschmidt classification, an element that forms alloys easily with iron and is concentrated in the Earth's core.
Wiktionary · CC BY-SA
Where it comes from
From sidero- + -phile.
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.
SIDEROPHILE in OUTLIER
Players have found it on 9 boards so far.
It first turned up on Day 27, 16 June 2026. The most recent board was Day 102, 30 August 2026. It was on the latest finished board.
First ever to find it
on Day 27, 16 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
SIDEROPHILE starts with S and ends with E. Sorted, its letters read DEEHIILOPRS - the shape to hunt for when the grid is scrambled. I and E appear more than once.
Words that start SIDEROP
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 27
Could you have found SIDEROPHILE?
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 27 - and most players walked straight past it.
Play today's OUTLIER