The rare daily word game sweeping the globe. Find what's hidden in plain sight.
LUMEN
Definition of LUMEN
noun
In the International System of Units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one candela. Symbol: lm.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from Latin lūmen (“light, an opening”). Use as a unit was first adopted by French physicist André Blondel in 1894.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
2 recorded generations before English.
Deepest traced root
5th
of 59 source languages in OUTLIER
5.3%
of traced words share this origin (4,194)
branch · 12.8% of traced words
How it is built
Same root, LUMEN · 3 relatives 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.
LUMEN in OUTLIER
Players have found it on 62 boards so far. 185 players have found it across Outlier's history.
It first turned up on Day 30, 19 June 2026. The most recent board was Day 156, 23 October 2026. Nobody has seen it on a board for 4 days.
First found by a player on Day 30, 19 June 2026.
Built from these letters
LUMEN starts with L and ends with N. Sorted, its letters read ELMNU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Also seen on Day 30
Could you have found LUMEN?
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 30 - and most players walked straight past it.
Play today's OUTLIER