The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ERBIUMS
Definition of ERBIUMS
noun
plural of erbium
noun
A chemical element (symbol Er) with atomic number 68: a silvery-white metal, in nature always found in combination with other elements. An atom of this element.
Wiktionary · CC BY-SA
Word DNA
ERBIUMS inherits its ancestry from its root, ERBIUM.
Line of descent
2 recorded generations before English.
Deepest traced root
28th
of 59 source languages in OUTLIER
0.3%
of traced words share this origin (251)
branch · 22.6% of traced words
How it is built
Same root, ERBIUM · 1 relative 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.
ERBIUMS in OUTLIER
Players have found it on 19 boards so far. 21 players have found it across Outlier's history.
It first turned up on Day 44, 3 July 2026. The most recent board was Day 153, 20 October 2026. Nobody has seen it on a board for 7 days.
First ever to find it
on Day 44, 3 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ERBIUMS starts with E and ends with S. Sorted, its letters read BEIMRSU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
2 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Also seen on Day 44
Could you have found ERBIUMS?
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 44 - and most players walked straight past it.
Play today's OUTLIER