The rare daily word game sweeping the globe. Find what's hidden in plain sight.
EPSILON
Definition of EPSILON
noun
The fifth letter of the Greek alphabet, ε or Ε, preceded by delta (Δ, δ) and followed by zeta (Ζ, ζ).
Wiktionary · CC BY-SA
Where it comes from
From Ancient Greek ἒ ψιλόν (è psilón, “simple Ε”).
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.
EPSILON in OUTLIER
Players have found it on 28 boards so far. 42 players have found it across Outlier's history.
It first turned up on Day 7, 28 May 2026. The most recent board was Day 100, 28 August 2026. Nobody has seen it on a board for 2 days.
First found by a player on Day 7, 28 May 2026.
Built from these letters
EPSILON starts with E and ends with N. Sorted, its letters read EILNOPS - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Also seen on Day 7
Could you have found EPSILON?
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 7 - and most players walked straight past it.
Play today's OUTLIER