The rare daily word game sweeping the globe. Find what's hidden in plain sight.
CLOSTRIDIUM
Definition of CLOSTRIDIUM
noun
Any of several mostly anaerobic gram-positive bacteria, of the genus Clostridium, that are present in the soil and in the intestines of humans and animals and are capable of forming spores
Wiktionary · CC BY-SA
Where it comes from
Borrowed from Translingual Clostridium.
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.
CLOSTRIDIUM in OUTLIER
Players have found it on 7 boards so far.
It first turned up on Day 40, 29 June 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 40, 29 June 2026 - before anyone else in Outlier's history. See the Pioneers
Also on
Built from these letters
CLOSTRIDIUM starts with C and ends with M. Sorted, its letters read CDIILMORSTU - the shape to hunt for when the grid is scrambled. I appears more than once.
Words that start CLOSTRI
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 40
Could you have found CLOSTRIDIUM?
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 40 - and most players walked straight past it.
Play today's OUTLIER