The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SIDEROPENIA
Definition of SIDEROPENIA
noun
Synonym of iron deficiency.
Wiktionary · CC BY-SA
Where it comes from
From sidero- + -penia.
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.
SIDEROPENIA in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 134, 1 October 2026. It was on the latest finished board.
First ever to find it
on Day 134, 1 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
SIDEROPENIA starts with S and ends with A. Sorted, its letters read ADEEIINOPRS - the shape to hunt for when the grid is scrambled. I and E appear more than once.
Could you have found SIDEROPENIA?
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 134 - and most players walked straight past it.
Play today's OUTLIER