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).
Word DNA
How it is built
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 12 boards so far. 13 players have found it across Outlier's history.
It first turned up on Day 27, 16 June 2026. The most recent board was Day 125, 22 September 2026. Nobody has seen it on a board for 22 days.
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.
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