The rare daily word game sweeping the globe. Find what's hidden in plain sight.
LUSTRUM
Definition of LUSTRUM
noun
A lustration: a ceremonial purification of the people of Rome performed every five years after the census.
Wiktionary · CC BY-SA
Where it comes from
From Latin lūstrum.
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.
LUSTRUM in OUTLIER
Players have found it on 5 boards so far.
It first turned up on Day 58, 17 July 2026. The most recent board was Day 101, 29 August 2026. Nobody has seen it on a board for 19 days.
First ever to find it
on Day 58, 17 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
LUSTRUM starts with L and ends with M. Sorted, its letters read LMRSTUU - the shape to hunt for when the grid is scrambled. U appears more than once.
Words that start LUSTRU
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 58
Could you have found LUSTRUM?
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 58 - and most players walked straight past it.
Play today's OUTLIER