The rare daily word game sweeping the globe. Find what's hidden in plain sight.
LUCIFERASE
Definition of LUCIFERASE
noun
Any one of a group of enzymes that produce bioluminescence by oxidizing luciferin.
Wiktionary · CC BY-SA
Where it comes from
From luciferin + -ase.
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.
LUCIFERASE in OUTLIER
Players have found it on 13 boards so far. 22 players have found it across Outlier's history.
It first turned up on Day 56, 15 July 2026. The most recent board was Day 102, 30 August 2026. It was on the latest finished board.
First ever to find it
on Day 56, 15 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
LUCIFERASE starts with L and ends with E. Sorted, its letters read ACEEFILRSU - the shape to hunt for when the grid is scrambled. E appears more than once.
Words that start LUCIFE
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 56
Could you have found LUCIFERASE?
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 56 - and most players walked straight past it.
Play today's OUTLIER