The rare daily word game sweeping the globe. Find what's hidden in plain sight.
LUSTRA
Definition of LUSTRA
noun
plural of lustrum
noun
A lustration: a ceremonial purification of the people of Rome performed every five years after the census.
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.
LUSTRA in OUTLIER
Players have found it on 8 boards so far.
It first turned up on Day 71, 30 July 2026. The most recent board was Day 133, 30 September 2026. Nobody has seen it on a board for 14 days.
First ever to find it
on Day 71, 30 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
LUSTRA starts with L and ends with A. Sorted, its letters read ALRSTU - 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.
Words that start LUSTRA
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found LUSTRA?
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 71 - and most players walked straight past it.
Play today's OUTLIER